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Finding the Third Proportional to 124,678.50 and 270,255

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Solution

The third proportional to 124,678.50 and 270,255 is: 585,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.50 : 270,255 = 270,255 : x
  2. Step 2: Convert to fraction form
    124,678.50/270,255 = 270,255/x
  3. Step 3: Cross multiply
    124,678.50x = 270,255 × 270,255
  4. Step 4: Simplify right side
    124,678.50x = 73,037,765,025
  5. Step 5: Solve for x
    x = 73,037,765,025/124,678.50
  6. Step 6: Final answer
    x = 585,808.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.