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Finding the Third Proportional to 155,542.50 and 240,604.50

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Solution

The third proportional to 155,542.50 and 240,604.50 is: 372,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,542.50 : 240,604.50 = 240,604.50 : x
  2. Step 2: Convert to fraction form
    155,542.50/240,604.50 = 240,604.50/x
  3. Step 3: Cross multiply
    155,542.50x = 240,604.50 × 240,604.50
  4. Step 4: Simplify right side
    155,542.50x = 57,890,525,420.25
  5. Step 5: Solve for x
    x = 57,890,525,420.25/155,542.50
  6. Step 6: Final answer
    x = 372,184.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.