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Finding the Third Proportional to 156.50 and 282

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Solution

The third proportional to 156.50 and 282 is: 508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.50 : 282 = 282 : x
  2. Step 2: Convert to fraction form
    156.50/282 = 282/x
  3. Step 3: Cross multiply
    156.50x = 282 × 282
  4. Step 4: Simplify right side
    156.50x = 79,524
  5. Step 5: Solve for x
    x = 79,524/156.50
  6. Step 6: Final answer
    x = 508.14

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.