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Finding the Third Proportional to 335,947.50 and 509,251.50

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Solution

The third proportional to 335,947.50 and 509,251.50 is: 771,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,947.50 : 509,251.50 = 509,251.50 : x
  2. Step 2: Convert to fraction form
    335,947.50/509,251.50 = 509,251.50/x
  3. Step 3: Cross multiply
    335,947.50x = 509,251.50 × 509,251.50
  4. Step 4: Simplify right side
    335,947.50x = 259,337,090,252.25
  5. Step 5: Solve for x
    x = 259,337,090,252.25/335,947.50
  6. Step 6: Final answer
    x = 771,957.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.