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Finding the Third Proportional to 66,865.50 and 93,848.63

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Solution

The third proportional to 66,865.50 and 93,848.63 is: 131,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.50 : 93,848.63 = 93,848.63 : x
  2. Step 2: Convert to fraction form
    66,865.50/93,848.63 = 93,848.63/x
  3. Step 3: Cross multiply
    66,865.50x = 93,848.63 × 93,848.63
  4. Step 4: Simplify right side
    66,865.50x = 8,807,564,414.39
  5. Step 5: Solve for x
    x = 8,807,564,414.39/66,865.50
  6. Step 6: Final answer
    x = 131,720.61

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.