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Finding the Third Proportional to 127,331,721 and 272,815,506

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Solution

The third proportional to 127,331,721 and 272,815,506 is: 584,522,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331,721 : 272,815,506 = 272,815,506 : x
  2. Step 2: Convert to fraction form
    127,331,721/272,815,506 = 272,815,506/x
  3. Step 3: Cross multiply
    127,331,721x = 272,815,506 × 272,815,506
  4. Step 4: Simplify right side
    127,331,721x = 74,428,300,314,036,032
  5. Step 5: Solve for x
    x = 74,428,300,314,036,032/127,331,721
  6. Step 6: Final answer
    x = 584,522,848.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.