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Finding the Third Proportional to 45,192 and 66,480

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Solution

The third proportional to 45,192 and 66,480 is: 97,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,192 : 66,480 = 66,480 : x
  2. Step 2: Convert to fraction form
    45,192/66,480 = 66,480/x
  3. Step 3: Cross multiply
    45,192x = 66,480 × 66,480
  4. Step 4: Simplify right side
    45,192x = 4,419,590,400
  5. Step 5: Solve for x
    x = 4,419,590,400/45,192
  6. Step 6: Final answer
    x = 97,795.86

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.