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Finding the Third Proportional to 63,260,856 and 138,121,680

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Solution

The third proportional to 63,260,856 and 138,121,680 is: 301,570,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,260,856 : 138,121,680 = 138,121,680 : x
  2. Step 2: Convert to fraction form
    63,260,856/138,121,680 = 138,121,680/x
  3. Step 3: Cross multiply
    63,260,856x = 138,121,680 × 138,121,680
  4. Step 4: Simplify right side
    63,260,856x = 19,077,598,486,022,400
  5. Step 5: Solve for x
    x = 19,077,598,486,022,400/63,260,856
  6. Step 6: Final answer
    x = 301,570,350.01

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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.