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Finding the Third Proportional to 260.50 and 562.50

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Solution

The third proportional to 260.50 and 562.50 is: 1,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.50 : 562.50 = 562.50 : x
  2. Step 2: Convert to fraction form
    260.50/562.50 = 562.50/x
  3. Step 3: Cross multiply
    260.50x = 562.50 × 562.50
  4. Step 4: Simplify right side
    260.50x = 316,406.25
  5. Step 5: Solve for x
    x = 316,406.25/260.50
  6. Step 6: Final answer
    x = 1,214.61

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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.