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Finding the Third Proportional to 63,609,076 and 138,481,613

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Solution

The third proportional to 63,609,076 and 138,481,613 is: 301,484,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,609,076 : 138,481,613 = 138,481,613 : x
  2. Step 2: Convert to fraction form
    63,609,076/138,481,613 = 138,481,613/x
  3. Step 3: Cross multiply
    63,609,076x = 138,481,613 × 138,481,613
  4. Step 4: Simplify right side
    63,609,076x = 19,177,157,139,081,768
  5. Step 5: Solve for x
    x = 19,177,157,139,081,768/63,609,076
  6. Step 6: Final answer
    x = 301,484,604.79

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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.