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Finding the Third Proportional to 64,167,228 and 138,561,600

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Solution

The third proportional to 64,167,228 and 138,561,600 is: 299,207,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167,228 : 138,561,600 = 138,561,600 : x
  2. Step 2: Convert to fraction form
    64,167,228/138,561,600 = 138,561,600/x
  3. Step 3: Cross multiply
    64,167,228x = 138,561,600 × 138,561,600
  4. Step 4: Simplify right side
    64,167,228x = 19,199,316,994,560,000
  5. Step 5: Solve for x
    x = 19,199,316,994,560,000/64,167,228
  6. Step 6: Final answer
    x = 299,207,517.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.