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Finding the Third Proportional to 15,132,384 and 21,233,748

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Solution

The third proportional to 15,132,384 and 21,233,748 is: 29,795,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,384 : 21,233,748 = 21,233,748 : x
  2. Step 2: Convert to fraction form
    15,132,384/21,233,748 = 21,233,748/x
  3. Step 3: Cross multiply
    15,132,384x = 21,233,748 × 21,233,748
  4. Step 4: Simplify right side
    15,132,384x = 450,872,054,127,504
  5. Step 5: Solve for x
    x = 450,872,054,127,504/15,132,384
  6. Step 6: Final answer
    x = 29,795,176.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.