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Finding the Third Proportional to 186,615.75 and 281,470.50

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Solution

The third proportional to 186,615.75 and 281,470.50 is: 424,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,615.75 : 281,470.50 = 281,470.50 : x
  2. Step 2: Convert to fraction form
    186,615.75/281,470.50 = 281,470.50/x
  3. Step 3: Cross multiply
    186,615.75x = 281,470.50 × 281,470.50
  4. Step 4: Simplify right side
    186,615.75x = 79,225,642,370.25
  5. Step 5: Solve for x
    x = 79,225,642,370.25/186,615.75
  6. Step 6: Final answer
    x = 424,538.88

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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.