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Finding the Third Proportional to 8,609,656 and 18,898,730

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Solution

The third proportional to 8,609,656 and 18,898,730 is: 41,483,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,656 : 18,898,730 = 18,898,730 : x
  2. Step 2: Convert to fraction form
    8,609,656/18,898,730 = 18,898,730/x
  3. Step 3: Cross multiply
    8,609,656x = 18,898,730 × 18,898,730
  4. Step 4: Simplify right side
    8,609,656x = 357,161,995,612,900
  5. Step 5: Solve for x
    x = 357,161,995,612,900/8,609,656
  6. Step 6: Final answer
    x = 41,483,886.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.