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Finding the Third Proportional to 346.75 and 802.38

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Solution

The third proportional to 346.75 and 802.38 is: 1,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.75 : 802.38 = 802.38 : x
  2. Step 2: Convert to fraction form
    346.75/802.38 = 802.38/x
  3. Step 3: Cross multiply
    346.75x = 802.38 × 802.38
  4. Step 4: Simplify right side
    346.75x = 643,805.64
  5. Step 5: Solve for x
    x = 643,805.64/346.75
  6. Step 6: Final answer
    x = 1,856.69

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.