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Finding the Third Proportional to 63,262,560 and 138,126,912

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Solution

The third proportional to 63,262,560 and 138,126,912 is: 301,585,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,262,560 : 138,126,912 = 138,126,912 : x
  2. Step 2: Convert to fraction form
    63,262,560/138,126,912 = 138,126,912/x
  3. Step 3: Cross multiply
    63,262,560x = 138,126,912 × 138,126,912
  4. Step 4: Simplify right side
    63,262,560x = 19,079,043,818,655,744
  5. Step 5: Solve for x
    x = 19,079,043,818,655,744/63,262,560
  6. Step 6: Final answer
    x = 301,585,073.68

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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.