Home / 315,282-671,460

Finding the Third Proportional to 315,282 and 671,460

Calculator

Solution

The third proportional to 315,282 and 671,460 is: 1,430,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,282 : 671,460 = 671,460 : x
  2. Step 2: Convert to fraction form
    315,282/671,460 = 671,460/x
  3. Step 3: Cross multiply
    315,282x = 671,460 × 671,460
  4. Step 4: Simplify right side
    315,282x = 450,858,531,600
  5. Step 5: Solve for x
    x = 450,858,531,600/315,282
  6. Step 6: Final answer
    x = 1,430,016.72

Related Problems

Find third proportional to 157,641 and 335,730
Half scale
Find third proportional to 630,564 and 1,342,920
Double scale
Find third proportional to 315,284 and 671,464
Similar ratio
Find third proportional to 472,923 and 1,007,190
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.