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Finding the Third Proportional to 1,142,138,076 and 1,541,012,418

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Solution

The third proportional to 1,142,138,076 and 1,541,012,418 is: 2,079,187,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,138,076 : 1,541,012,418 = 1,541,012,418 : x
  2. Step 2: Convert to fraction form
    1,142,138,076/1,541,012,418 = 1,541,012,418/x
  3. Step 3: Cross multiply
    1,142,138,076x = 1,541,012,418 × 1,541,012,418
  4. Step 4: Simplify right side
    1,142,138,076x = 2,374,719,272,430,206,976
  5. Step 5: Solve for x
    x = 2,374,719,272,430,206,976/1,142,138,076
  6. Step 6: Final answer
    x = 2,079,187,553.88

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.