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Finding the Third Proportional to 3,987,065.25 and 8,695,746

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Solution

The third proportional to 3,987,065.25 and 8,695,746 is: 18,965,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,065.25 : 8,695,746 = 8,695,746 : x
  2. Step 2: Convert to fraction form
    3,987,065.25/8,695,746 = 8,695,746/x
  3. Step 3: Cross multiply
    3,987,065.25x = 8,695,746 × 8,695,746
  4. Step 4: Simplify right side
    3,987,065.25x = 75,615,998,496,516
  5. Step 5: Solve for x
    x = 75,615,998,496,516/3,987,065.25
  6. Step 6: Final answer
    x = 18,965,327.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.