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Finding the Third Proportional to 807.50 and 1,241.63

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Solution

The third proportional to 807.50 and 1,241.63 is: 1,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.50 : 1,241.63 = 1,241.63 : x
  2. Step 2: Convert to fraction form
    807.50/1,241.63 = 1,241.63/x
  3. Step 3: Cross multiply
    807.50x = 1,241.63 × 1,241.63
  4. Step 4: Simplify right side
    807.50x = 1,541,632.64
  5. Step 5: Solve for x
    x = 1,541,632.64/807.50
  6. Step 6: Final answer
    x = 1,909.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.