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Finding the Third Proportional to 66,524 and 105,319.50

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Solution

The third proportional to 66,524 and 105,319.50 is: 166,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524 : 105,319.50 = 105,319.50 : x
  2. Step 2: Convert to fraction form
    66,524/105,319.50 = 105,319.50/x
  3. Step 3: Cross multiply
    66,524x = 105,319.50 × 105,319.50
  4. Step 4: Simplify right side
    66,524x = 11,092,197,080.25
  5. Step 5: Solve for x
    x = 11,092,197,080.25/66,524
  6. Step 6: Final answer
    x = 166,739.78

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.