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Finding the Third Proportional to 183,809.50 and 398,154.50

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Solution

The third proportional to 183,809.50 and 398,154.50 is: 862,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,809.50 : 398,154.50 = 398,154.50 : x
  2. Step 2: Convert to fraction form
    183,809.50/398,154.50 = 398,154.50/x
  3. Step 3: Cross multiply
    183,809.50x = 398,154.50 × 398,154.50
  4. Step 4: Simplify right side
    183,809.50x = 158,527,005,870.25
  5. Step 5: Solve for x
    x = 158,527,005,870.25/183,809.50
  6. Step 6: Final answer
    x = 862,452.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.