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Finding the Third Proportional to 777.38 and 1,167.19

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Solution

The third proportional to 777.38 and 1,167.19 is: 1,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777.38 : 1,167.19 = 1,167.19 : x
  2. Step 2: Convert to fraction form
    777.38/1,167.19 = 1,167.19/x
  3. Step 3: Cross multiply
    777.38x = 1,167.19 × 1,167.19
  4. Step 4: Simplify right side
    777.38x = 1,362,326.66
  5. Step 5: Solve for x
    x = 1,362,326.66/777.38
  6. Step 6: Final answer
    x = 1,752.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.