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Finding the Third Proportional to 186,555.66 and 281,394

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Solution

The third proportional to 186,555.66 and 281,394 is: 424,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.66 : 281,394 = 281,394 : x
  2. Step 2: Convert to fraction form
    186,555.66/281,394 = 281,394/x
  3. Step 3: Cross multiply
    186,555.66x = 281,394 × 281,394
  4. Step 4: Simplify right side
    186,555.66x = 79,182,583,236
  5. Step 5: Solve for x
    x = 79,182,583,236/186,555.66
  6. Step 6: Final answer
    x = 424,444.83

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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.