Home / 420,026-921,700

Finding the Third Proportional to 420,026 and 921,700

Calculator

Solution

The third proportional to 420,026 and 921,700 is: 2,022,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,026 : 921,700 = 921,700 : x
  2. Step 2: Convert to fraction form
    420,026/921,700 = 921,700/x
  3. Step 3: Cross multiply
    420,026x = 921,700 × 921,700
  4. Step 4: Simplify right side
    420,026x = 849,530,890,000
  5. Step 5: Solve for x
    x = 849,530,890,000/420,026
  6. Step 6: Final answer
    x = 2,022,567.39

Related Problems

Find third proportional to 210,013 and 460,850
Half scale
Find third proportional to 840,052 and 1,843,400
Double scale
Find third proportional to 420,028 and 921,704
Similar ratio
Find third proportional to 630,039 and 1,382,550
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.