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Finding the Third Proportional to 275,254.50 and 402,260

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Solution

The third proportional to 275,254.50 and 402,260 is: 587,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,254.50 : 402,260 = 402,260 : x
  2. Step 2: Convert to fraction form
    275,254.50/402,260 = 402,260/x
  3. Step 3: Cross multiply
    275,254.50x = 402,260 × 402,260
  4. Step 4: Simplify right side
    275,254.50x = 161,813,107,600
  5. Step 5: Solve for x
    x = 161,813,107,600/275,254.50
  6. Step 6: Final answer
    x = 587,867.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.