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Finding the Third Proportional to 43,188.75 and 66,628.13

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Solution

The third proportional to 43,188.75 and 66,628.13 is: 102,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.75 : 66,628.13 = 66,628.13 : x
  2. Step 2: Convert to fraction form
    43,188.75/66,628.13 = 66,628.13/x
  3. Step 3: Cross multiply
    43,188.75x = 66,628.13 × 66,628.13
  4. Step 4: Simplify right side
    43,188.75x = 4,439,307,041.02
  5. Step 5: Solve for x
    x = 4,439,307,041.02/43,188.75
  6. Step 6: Final answer
    x = 102,788.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.