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Finding the Third Proportional to 3,720,663 and 7,972,749

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Solution

The third proportional to 3,720,663 and 7,972,749 is: 17,084,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,663 : 7,972,749 = 7,972,749 : x
  2. Step 2: Convert to fraction form
    3,720,663/7,972,749 = 7,972,749/x
  3. Step 3: Cross multiply
    3,720,663x = 7,972,749 × 7,972,749
  4. Step 4: Simplify right side
    3,720,663x = 63,564,726,617,001
  5. Step 5: Solve for x
    x = 63,564,726,617,001/3,720,663
  6. Step 6: Final answer
    x = 17,084,247.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.