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Finding the Third Proportional to 63,265,732 and 138,129,800

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Solution

The third proportional to 63,265,732 and 138,129,800 is: 301,582,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,265,732 : 138,129,800 = 138,129,800 : x
  2. Step 2: Convert to fraction form
    63,265,732/138,129,800 = 138,129,800/x
  3. Step 3: Cross multiply
    63,265,732x = 138,129,800 × 138,129,800
  4. Step 4: Simplify right side
    63,265,732x = 19,079,841,648,040,000
  5. Step 5: Solve for x
    x = 19,079,841,648,040,000/63,265,732
  6. Step 6: Final answer
    x = 301,582,563.65

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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.