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Finding the Third Proportional to 15,016,484,468 and 20,449,888,712

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Solution

The third proportional to 15,016,484,468 and 20,449,888,712 is: 27,849,257,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,484,468 : 20,449,888,712 = 20,449,888,712 : x
  2. Step 2: Convert to fraction form
    15,016,484,468/20,449,888,712 = 20,449,888,712/x
  3. Step 3: Cross multiply
    15,016,484,468x = 20,449,888,712 × 20,449,888,712
  4. Step 4: Simplify right side
    15,016,484,468x = 418,197,948,333,185,040,384
  5. Step 5: Solve for x
    x = 418,197,948,333,185,040,384/15,016,484,468
  6. Step 6: Final answer
    x = 27,849,257,875.53

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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.