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Finding the Third Proportional to 186,772.50 and 392,863.50

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Solution

The third proportional to 186,772.50 and 392,863.50 is: 826,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,772.50 : 392,863.50 = 392,863.50 : x
  2. Step 2: Convert to fraction form
    186,772.50/392,863.50 = 392,863.50/x
  3. Step 3: Cross multiply
    186,772.50x = 392,863.50 × 392,863.50
  4. Step 4: Simplify right side
    186,772.50x = 154,341,729,632.25
  5. Step 5: Solve for x
    x = 154,341,729,632.25/186,772.50
  6. Step 6: Final answer
    x = 826,362.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.