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Finding the Third Proportional to 705.38 and 1,569.38

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Solution

The third proportional to 705.38 and 1,569.38 is: 3,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.38 : 1,569.38 = 1,569.38 : x
  2. Step 2: Convert to fraction form
    705.38/1,569.38 = 1,569.38/x
  3. Step 3: Cross multiply
    705.38x = 1,569.38 × 1,569.38
  4. Step 4: Simplify right side
    705.38x = 2,462,937.89
  5. Step 5: Solve for x
    x = 2,462,937.89/705.38
  6. Step 6: Final answer
    x = 3,491.67

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.