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Finding the Third Proportional to 63,608,600 and 138,480,694

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Solution

The third proportional to 63,608,600 and 138,480,694 is: 301,482,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,608,600 : 138,480,694 = 138,480,694 : x
  2. Step 2: Convert to fraction form
    63,608,600/138,480,694 = 138,480,694/x
  3. Step 3: Cross multiply
    63,608,600x = 138,480,694 × 138,480,694
  4. Step 4: Simplify right side
    63,608,600x = 19,176,902,610,721,636
  5. Step 5: Solve for x
    x = 19,176,902,610,721,636/63,608,600
  6. Step 6: Final answer
    x = 301,482,859.40

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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.