Home / 315,445,026-686,436,012

Finding the Third Proportional to 315,445,026 and 686,436,012

Calculator

Solution

The third proportional to 315,445,026 and 686,436,012 is: 1,493,744,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,445,026 : 686,436,012 = 686,436,012 : x
  2. Step 2: Convert to fraction form
    315,445,026/686,436,012 = 686,436,012/x
  3. Step 3: Cross multiply
    315,445,026x = 686,436,012 × 686,436,012
  4. Step 4: Simplify right side
    315,445,026x = 471,194,398,570,464,128
  5. Step 5: Solve for x
    x = 471,194,398,570,464,128/315,445,026
  6. Step 6: Final answer
    x = 1,493,744,899.22

Related Problems

Find third proportional to 157,722,513 and 343,218,006
Half scale
Find third proportional to 630,890,052 and 1,372,872,024
Double scale
Find third proportional to 315,445,028 and 686,436,016
Similar ratio
Find third proportional to 473,167,539 and 1,029,654,018
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.