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Finding the Third Proportional to 124,389.75 and 268,219.50

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Solution

The third proportional to 124,389.75 and 268,219.50 is: 578,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,389.75 : 268,219.50 = 268,219.50 : x
  2. Step 2: Convert to fraction form
    124,389.75/268,219.50 = 268,219.50/x
  3. Step 3: Cross multiply
    124,389.75x = 268,219.50 × 268,219.50
  4. Step 4: Simplify right side
    124,389.75x = 71,941,700,180.25
  5. Step 5: Solve for x
    x = 71,941,700,180.25/124,389.75
  6. Step 6: Final answer
    x = 578,357.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.