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Finding the Third Proportional to 66,104 and 87,492

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Solution

The third proportional to 66,104 and 87,492 is: 115,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104 : 87,492 = 87,492 : x
  2. Step 2: Convert to fraction form
    66,104/87,492 = 87,492/x
  3. Step 3: Cross multiply
    66,104x = 87,492 × 87,492
  4. Step 4: Simplify right side
    66,104x = 7,654,850,064
  5. Step 5: Solve for x
    x = 7,654,850,064/66,104
  6. Step 6: Final answer
    x = 115,800.10

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.