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Finding the Third Proportional to 14,063,421 and 21,132,581

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Solution

The third proportional to 14,063,421 and 21,132,581 is: 31,755,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,421 : 21,132,581 = 21,132,581 : x
  2. Step 2: Convert to fraction form
    14,063,421/21,132,581 = 21,132,581/x
  3. Step 3: Cross multiply
    14,063,421x = 21,132,581 × 21,132,581
  4. Step 4: Simplify right side
    14,063,421x = 446,585,979,721,561
  5. Step 5: Solve for x
    x = 446,585,979,721,561/14,063,421
  6. Step 6: Final answer
    x = 31,755,145.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.