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Finding the Third Proportional to 3,998,398.50 and 8,635,068

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Solution

The third proportional to 3,998,398.50 and 8,635,068 is: 18,648,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,398.50 : 8,635,068 = 8,635,068 : x
  2. Step 2: Convert to fraction form
    3,998,398.50/8,635,068 = 8,635,068/x
  3. Step 3: Cross multiply
    3,998,398.50x = 8,635,068 × 8,635,068
  4. Step 4: Simplify right side
    3,998,398.50x = 74,564,399,364,624
  5. Step 5: Solve for x
    x = 74,564,399,364,624/3,998,398.50
  6. Step 6: Final answer
    x = 18,648,566.26

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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.