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Finding the Third Proportional to 55,636 and 86,264

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Solution

The third proportional to 55,636 and 86,264 is: 133,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636 : 86,264 = 86,264 : x
  2. Step 2: Convert to fraction form
    55,636/86,264 = 86,264/x
  3. Step 3: Cross multiply
    55,636x = 86,264 × 86,264
  4. Step 4: Simplify right side
    55,636x = 7,441,477,696
  5. Step 5: Solve for x
    x = 7,441,477,696/55,636
  6. Step 6: Final answer
    x = 133,752.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.