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Finding the Third Proportional to 231,657.75 and 349,931.25

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Solution

The third proportional to 231,657.75 and 349,931.25 is: 528,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,657.75 : 349,931.25 = 349,931.25 : x
  2. Step 2: Convert to fraction form
    231,657.75/349,931.25 = 349,931.25/x
  3. Step 3: Cross multiply
    231,657.75x = 349,931.25 × 349,931.25
  4. Step 4: Simplify right side
    231,657.75x = 122,451,879,726.56
  5. Step 5: Solve for x
    x = 122,451,879,726.56/231,657.75
  6. Step 6: Final answer
    x = 528,589.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.