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Finding the Third Proportional to 703.69 and 1,543.22

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Solution

The third proportional to 703.69 and 1,543.22 is: 3,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.69 : 1,543.22 = 1,543.22 : x
  2. Step 2: Convert to fraction form
    703.69/1,543.22 = 1,543.22/x
  3. Step 3: Cross multiply
    703.69x = 1,543.22 × 1,543.22
  4. Step 4: Simplify right side
    703.69x = 2,381,524.11
  5. Step 5: Solve for x
    x = 2,381,524.11/703.69
  6. Step 6: Final answer
    x = 3,384.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.