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Finding the Third Proportional to 348 and 730

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Solution

The third proportional to 348 and 730 is: 1,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348 : 730 = 730 : x
  2. Step 2: Convert to fraction form
    348/730 = 730/x
  3. Step 3: Cross multiply
    348x = 730 × 730
  4. Step 4: Simplify right side
    348x = 532,900
  5. Step 5: Solve for x
    x = 532,900/348
  6. Step 6: Final answer
    x = 1,531.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.