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Finding the Third Proportional to 63,972,976 and 139,304,672

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Solution

The third proportional to 63,972,976 and 139,304,672 is: 303,343,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,972,976 : 139,304,672 = 139,304,672 : x
  2. Step 2: Convert to fraction form
    63,972,976/139,304,672 = 139,304,672/x
  3. Step 3: Cross multiply
    63,972,976x = 139,304,672 × 139,304,672
  4. Step 4: Simplify right side
    63,972,976x = 19,405,791,641,027,584
  5. Step 5: Solve for x
    x = 19,405,791,641,027,584/63,972,976
  6. Step 6: Final answer
    x = 303,343,581.22

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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.