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Finding the Third Proportional to 186,792 and 282,132

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Solution

The third proportional to 186,792 and 282,132 is: 426,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,792 : 282,132 = 282,132 : x
  2. Step 2: Convert to fraction form
    186,792/282,132 = 282,132/x
  3. Step 3: Cross multiply
    186,792x = 282,132 × 282,132
  4. Step 4: Simplify right side
    186,792x = 79,598,465,424
  5. Step 5: Solve for x
    x = 79,598,465,424/186,792
  6. Step 6: Final answer
    x = 426,134.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.