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Finding the Third Proportional to 702 and 942.19

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Solution

The third proportional to 702 and 942.19 is: 1,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702 : 942.19 = 942.19 : x
  2. Step 2: Convert to fraction form
    702/942.19 = 942.19/x
  3. Step 3: Cross multiply
    702x = 942.19 × 942.19
  4. Step 4: Simplify right side
    702x = 887,717.29
  5. Step 5: Solve for x
    x = 887,717.29/702
  6. Step 6: Final answer
    x = 1,264.55

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.