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Finding the Third Proportional to 240,420.50 and 353,826.75

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Solution

The third proportional to 240,420.50 and 353,826.75 is: 520,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,420.50 : 353,826.75 = 353,826.75 : x
  2. Step 2: Convert to fraction form
    240,420.50/353,826.75 = 353,826.75/x
  3. Step 3: Cross multiply
    240,420.50x = 353,826.75 × 353,826.75
  4. Step 4: Simplify right side
    240,420.50x = 125,193,369,015.56
  5. Step 5: Solve for x
    x = 125,193,369,015.56/240,420.50
  6. Step 6: Final answer
    x = 520,726.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.