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Finding the Third Proportional to 306,087,489 and 625,022,442

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Solution

The third proportional to 306,087,489 and 625,022,442 is: 1,276,279,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,087,489 : 625,022,442 = 625,022,442 : x
  2. Step 2: Convert to fraction form
    306,087,489/625,022,442 = 625,022,442/x
  3. Step 3: Cross multiply
    306,087,489x = 625,022,442 × 625,022,442
  4. Step 4: Simplify right side
    306,087,489x = 390,653,053,003,643,392
  5. Step 5: Solve for x
    x = 390,653,053,003,643,392/306,087,489
  6. Step 6: Final answer
    x = 1,276,279,060.87

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.