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Finding the Third Proportional to 2,217,655.13 and 4,766,613.75

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Solution

The third proportional to 2,217,655.13 and 4,766,613.75 is: 10,245,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,655.13 : 4,766,613.75 = 4,766,613.75 : x
  2. Step 2: Convert to fraction form
    2,217,655.13/4,766,613.75 = 4,766,613.75/x
  3. Step 3: Cross multiply
    2,217,655.13x = 4,766,613.75 × 4,766,613.75
  4. Step 4: Simplify right side
    2,217,655.13x = 22,720,606,641,689.06
  5. Step 5: Solve for x
    x = 22,720,606,641,689.06/2,217,655.13
  6. Step 6: Final answer
    x = 10,245,329.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.