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Finding the Third Proportional to 543,541,902 and 831,121,038

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Solution

The third proportional to 543,541,902 and 831,121,038 is: 1,270,853,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,541,902 : 831,121,038 = 831,121,038 : x
  2. Step 2: Convert to fraction form
    543,541,902/831,121,038 = 831,121,038/x
  3. Step 3: Cross multiply
    543,541,902x = 831,121,038 × 831,121,038
  4. Step 4: Simplify right side
    543,541,902x = 690,762,179,806,197,504
  5. Step 5: Solve for x
    x = 690,762,179,806,197,504/543,541,902
  6. Step 6: Final answer
    x = 1,270,853,594.29

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.