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Finding the Third Proportional to 3,719,715,388 and 8,031,156,654

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Solution

The third proportional to 3,719,715,388 and 8,031,156,654 is: 17,339,895,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719,715,388 : 8,031,156,654 = 8,031,156,654 : x
  2. Step 2: Convert to fraction form
    3,719,715,388/8,031,156,654 = 8,031,156,654/x
  3. Step 3: Cross multiply
    3,719,715,388x = 8,031,156,654 × 8,031,156,654
  4. Step 4: Simplify right side
    3,719,715,388x = 64,499,477,201,088,479,232
  5. Step 5: Solve for x
    x = 64,499,477,201,088,479,232/3,719,715,388
  6. Step 6: Final answer
    x = 17,339,895,791.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.