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Finding the Third Proportional to 63,039,124 and 138,035,576

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Solution

The third proportional to 63,039,124 and 138,035,576 is: 302,253,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,039,124 : 138,035,576 = 138,035,576 : x
  2. Step 2: Convert to fraction form
    63,039,124/138,035,576 = 138,035,576/x
  3. Step 3: Cross multiply
    63,039,124x = 138,035,576 × 138,035,576
  4. Step 4: Simplify right side
    63,039,124x = 19,053,820,241,651,776
  5. Step 5: Solve for x
    x = 19,053,820,241,651,776/63,039,124
  6. Step 6: Final answer
    x = 302,253,886.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.