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Finding the Third Proportional to 15,328,864 and 21,313,344

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Solution

The third proportional to 15,328,864 and 21,313,344 is: 29,634,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328,864 : 21,313,344 = 21,313,344 : x
  2. Step 2: Convert to fraction form
    15,328,864/21,313,344 = 21,313,344/x
  3. Step 3: Cross multiply
    15,328,864x = 21,313,344 × 21,313,344
  4. Step 4: Simplify right side
    15,328,864x = 454,258,632,462,336
  5. Step 5: Solve for x
    x = 454,258,632,462,336/15,328,864
  6. Step 6: Final answer
    x = 29,634,200.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.