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Finding the Third Proportional to 63,972,984 and 139,304,688

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Solution

The third proportional to 63,972,984 and 139,304,688 is: 303,343,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,972,984 : 139,304,688 = 139,304,688 : x
  2. Step 2: Convert to fraction form
    63,972,984/139,304,688 = 139,304,688/x
  3. Step 3: Cross multiply
    63,972,984x = 139,304,688 × 139,304,688
  4. Step 4: Simplify right side
    63,972,984x = 19,405,796,098,777,344
  5. Step 5: Solve for x
    x = 19,405,796,098,777,344/63,972,984
  6. Step 6: Final answer
    x = 303,343,612.97

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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.