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Finding the Third Proportional to 3,807,943 and 8,242,861

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Solution

The third proportional to 3,807,943 and 8,242,861 is: 17,842,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,943 : 8,242,861 = 8,242,861 : x
  2. Step 2: Convert to fraction form
    3,807,943/8,242,861 = 8,242,861/x
  3. Step 3: Cross multiply
    3,807,943x = 8,242,861 × 8,242,861
  4. Step 4: Simplify right side
    3,807,943x = 67,944,757,465,321
  5. Step 5: Solve for x
    x = 67,944,757,465,321/3,807,943
  6. Step 6: Final answer
    x = 17,842,902.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.