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Finding the Third Proportional to 63,126,260 and 135,840,322

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Solution

The third proportional to 63,126,260 and 135,840,322 is: 292,312,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126,260 : 135,840,322 = 135,840,322 : x
  2. Step 2: Convert to fraction form
    63,126,260/135,840,322 = 135,840,322/x
  3. Step 3: Cross multiply
    63,126,260x = 135,840,322 × 135,840,322
  4. Step 4: Simplify right side
    63,126,260x = 18,452,593,081,063,684
  5. Step 5: Solve for x
    x = 18,452,593,081,063,684/63,126,260
  6. Step 6: Final answer
    x = 292,312,471.56

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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.