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Finding the Third Proportional to 40,284 and 66,576

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Solution

The third proportional to 40,284 and 66,576 is: 110,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284 : 66,576 = 66,576 : x
  2. Step 2: Convert to fraction form
    40,284/66,576 = 66,576/x
  3. Step 3: Cross multiply
    40,284x = 66,576 × 66,576
  4. Step 4: Simplify right side
    40,284x = 4,432,363,776
  5. Step 5: Solve for x
    x = 4,432,363,776/40,284
  6. Step 6: Final answer
    x = 110,027.90

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.