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Finding the Third Proportional to 13,761,919.13 and 20,641,543.31

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Solution

The third proportional to 13,761,919.13 and 20,641,543.31 is: 30,960,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,919.13 : 20,641,543.31 = 20,641,543.31 : x
  2. Step 2: Convert to fraction form
    13,761,919.13/20,641,543.31 = 20,641,543.31/x
  3. Step 3: Cross multiply
    13,761,919.13x = 20,641,543.31 × 20,641,543.31
  4. Step 4: Simplify right side
    13,761,919.13x = 426,073,310,321,813.50
  5. Step 5: Solve for x
    x = 426,073,310,321,813.50/13,761,919.13
  6. Step 6: Final answer
    x = 30,960,312.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.