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Finding the Third Proportional to 71,659,805.84 and 156,732,192.21

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Solution

The third proportional to 71,659,805.84 and 156,732,192.21 is: 342,799,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659,805.84 : 156,732,192.21 = 156,732,192.21 : x
  2. Step 2: Convert to fraction form
    71,659,805.84/156,732,192.21 = 156,732,192.21/x
  3. Step 3: Cross multiply
    71,659,805.84x = 156,732,192.21 × 156,732,192.21
  4. Step 4: Simplify right side
    71,659,805.84x = 24,564,980,075,243,904
  5. Step 5: Solve for x
    x = 24,564,980,075,243,904/71,659,805.84
  6. Step 6: Final answer
    x = 342,799,980.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.