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Finding the Third Proportional to 500.25 and 1,087.50

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Solution

The third proportional to 500.25 and 1,087.50 is: 2,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.25 : 1,087.50 = 1,087.50 : x
  2. Step 2: Convert to fraction form
    500.25/1,087.50 = 1,087.50/x
  3. Step 3: Cross multiply
    500.25x = 1,087.50 × 1,087.50
  4. Step 4: Simplify right side
    500.25x = 1,182,656.25
  5. Step 5: Solve for x
    x = 1,182,656.25/500.25
  6. Step 6: Final answer
    x = 2,364.13

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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.