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Finding the Third Proportional to 127,750.50 and 268,731

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Solution

The third proportional to 127,750.50 and 268,731 is: 565,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,750.50 : 268,731 = 268,731 : x
  2. Step 2: Convert to fraction form
    127,750.50/268,731 = 268,731/x
  3. Step 3: Cross multiply
    127,750.50x = 268,731 × 268,731
  4. Step 4: Simplify right side
    127,750.50x = 72,216,350,361
  5. Step 5: Solve for x
    x = 72,216,350,361/127,750.50
  6. Step 6: Final answer
    x = 565,292.12

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.