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Finding the Third Proportional to 719,687,549 and 1,105,720,372

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Solution

The third proportional to 719,687,549 and 1,105,720,372 is: 1,698,817,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,687,549 : 1,105,720,372 = 1,105,720,372 : x
  2. Step 2: Convert to fraction form
    719,687,549/1,105,720,372 = 1,105,720,372/x
  3. Step 3: Cross multiply
    719,687,549x = 1,105,720,372 × 1,105,720,372
  4. Step 4: Simplify right side
    719,687,549x = 1,222,617,541,055,818,496
  5. Step 5: Solve for x
    x = 1,222,617,541,055,818,496/719,687,549
  6. Step 6: Final answer
    x = 1,698,817,136.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.