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Finding the Third Proportional to 43,426.13 and 66,070.69

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Solution

The third proportional to 43,426.13 and 66,070.69 is: 100,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.13 : 66,070.69 = 66,070.69 : x
  2. Step 2: Convert to fraction form
    43,426.13/66,070.69 = 66,070.69/x
  3. Step 3: Cross multiply
    43,426.13x = 66,070.69 × 66,070.69
  4. Step 4: Simplify right side
    43,426.13x = 4,365,335,746.72
  5. Step 5: Solve for x
    x = 4,365,335,746.72/43,426.13
  6. Step 6: Final answer
    x = 100,523.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.