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Finding the Third Proportional to 185,482.50 and 399,765

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Solution

The third proportional to 185,482.50 and 399,765 is: 861,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,482.50 : 399,765 = 399,765 : x
  2. Step 2: Convert to fraction form
    185,482.50/399,765 = 399,765/x
  3. Step 3: Cross multiply
    185,482.50x = 399,765 × 399,765
  4. Step 4: Simplify right side
    185,482.50x = 159,812,055,225
  5. Step 5: Solve for x
    x = 159,812,055,225/185,482.50
  6. Step 6: Final answer
    x = 861,601.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.