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Finding the Third Proportional to 15,016,484,480 and 20,449,888,724

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Solution

The third proportional to 15,016,484,480 and 20,449,888,724 is: 27,849,257,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,484,480 : 20,449,888,724 = 20,449,888,724 : x
  2. Step 2: Convert to fraction form
    15,016,484,480/20,449,888,724 = 20,449,888,724/x
  3. Step 3: Cross multiply
    15,016,484,480x = 20,449,888,724 × 20,449,888,724
  4. Step 4: Simplify right side
    15,016,484,480x = 418,197,948,823,982,374,912
  5. Step 5: Solve for x
    x = 418,197,948,823,982,374,912/15,016,484,480
  6. Step 6: Final answer
    x = 27,849,257,885.96

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.