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Finding the Third Proportional to 287,491,236 and 625,353,882

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Solution

The third proportional to 287,491,236 and 625,353,882 is: 1,360,276,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,491,236 : 625,353,882 = 625,353,882 : x
  2. Step 2: Convert to fraction form
    287,491,236/625,353,882 = 625,353,882/x
  3. Step 3: Cross multiply
    287,491,236x = 625,353,882 × 625,353,882
  4. Step 4: Simplify right side
    287,491,236x = 391,067,477,732,469,952
  5. Step 5: Solve for x
    x = 391,067,477,732,469,952/287,491,236
  6. Step 6: Final answer
    x = 1,360,276,171.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.