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Finding the Third Proportional to 291,248,580 and 625,719,892

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Solution

The third proportional to 291,248,580 and 625,719,892 is: 1,344,299,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,248,580 : 625,719,892 = 625,719,892 : x
  2. Step 2: Convert to fraction form
    291,248,580/625,719,892 = 625,719,892/x
  3. Step 3: Cross multiply
    291,248,580x = 625,719,892 × 625,719,892
  4. Step 4: Simplify right side
    291,248,580x = 391,525,383,244,491,648
  5. Step 5: Solve for x
    x = 391,525,383,244,491,648/291,248,580
  6. Step 6: Final answer
    x = 1,344,299,715.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.