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Finding the Third Proportional to 38,498,405 and 85,604,374

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Solution

The third proportional to 38,498,405 and 85,604,374 is: 190,348,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498,405 : 85,604,374 = 85,604,374 : x
  2. Step 2: Convert to fraction form
    38,498,405/85,604,374 = 85,604,374/x
  3. Step 3: Cross multiply
    38,498,405x = 85,604,374 × 85,604,374
  4. Step 4: Simplify right side
    38,498,405x = 7,328,108,847,931,876
  5. Step 5: Solve for x
    x = 7,328,108,847,931,876/38,498,405
  6. Step 6: Final answer
    x = 190,348,375.42

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.