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Finding the Third Proportional to 348.75 and 508.13

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Solution

The third proportional to 348.75 and 508.13 is: 740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.75 : 508.13 = 508.13 : x
  2. Step 2: Convert to fraction form
    348.75/508.13 = 508.13/x
  3. Step 3: Cross multiply
    348.75x = 508.13 × 508.13
  4. Step 4: Simplify right side
    348.75x = 258,191.02
  5. Step 5: Solve for x
    x = 258,191.02/348.75
  6. Step 6: Final answer
    x = 740.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.