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Finding the Third Proportional to 348.19 and 703.13

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Solution

The third proportional to 348.19 and 703.13 is: 1,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.19 : 703.13 = 703.13 : x
  2. Step 2: Convert to fraction form
    348.19/703.13 = 703.13/x
  3. Step 3: Cross multiply
    348.19x = 703.13 × 703.13
  4. Step 4: Simplify right side
    348.19x = 494,384.77
  5. Step 5: Solve for x
    x = 494,384.77/348.19
  6. Step 6: Final answer
    x = 1,419.88

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.