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Finding the Third Proportional to 306 and 460.88

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Solution

The third proportional to 306 and 460.88 is: 694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306 : 460.88 = 460.88 : x
  2. Step 2: Convert to fraction form
    306/460.88 = 460.88/x
  3. Step 3: Cross multiply
    306x = 460.88 × 460.88
  4. Step 4: Simplify right side
    306x = 212,405.77
  5. Step 5: Solve for x
    x = 212,405.77/306
  6. Step 6: Final answer
    x = 694.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.