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Finding the Third Proportional to 4,359,742 and 9,385,785.50

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Solution

The third proportional to 4,359,742 and 9,385,785.50 is: 20,206,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359,742 : 9,385,785.50 = 9,385,785.50 : x
  2. Step 2: Convert to fraction form
    4,359,742/9,385,785.50 = 9,385,785.50/x
  3. Step 3: Cross multiply
    4,359,742x = 9,385,785.50 × 9,385,785.50
  4. Step 4: Simplify right side
    4,359,742x = 88,092,969,452,010.25
  5. Step 5: Solve for x
    x = 88,092,969,452,010.25/4,359,742
  6. Step 6: Final answer
    x = 20,206,005.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.