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Finding the Third Proportional to 66,680 and 93,778

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Solution

The third proportional to 66,680 and 93,778 is: 131,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680 : 93,778 = 93,778 : x
  2. Step 2: Convert to fraction form
    66,680/93,778 = 93,778/x
  3. Step 3: Cross multiply
    66,680x = 93,778 × 93,778
  4. Step 4: Simplify right side
    66,680x = 8,794,313,284
  5. Step 5: Solve for x
    x = 8,794,313,284/66,680
  6. Step 6: Final answer
    x = 131,888.32

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.