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Finding the Third Proportional to 68,515,351 and 100,880,542

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Solution

The third proportional to 68,515,351 and 100,880,542 is: 148,534,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515,351 : 100,880,542 = 100,880,542 : x
  2. Step 2: Convert to fraction form
    68,515,351/100,880,542 = 100,880,542/x
  3. Step 3: Cross multiply
    68,515,351x = 100,880,542 × 100,880,542
  4. Step 4: Simplify right side
    68,515,351x = 10,176,883,754,213,764
  5. Step 5: Solve for x
    x = 10,176,883,754,213,764/68,515,351
  6. Step 6: Final answer
    x = 148,534,359.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.