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Finding the Third Proportional to 66,468 and 102,166.50

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Solution

The third proportional to 66,468 and 102,166.50 is: 157,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468 : 102,166.50 = 102,166.50 : x
  2. Step 2: Convert to fraction form
    66,468/102,166.50 = 102,166.50/x
  3. Step 3: Cross multiply
    66,468x = 102,166.50 × 102,166.50
  4. Step 4: Simplify right side
    66,468x = 10,437,993,722.25
  5. Step 5: Solve for x
    x = 10,437,993,722.25/66,468
  6. Step 6: Final answer
    x = 157,037.88

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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.