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Finding the Third Proportional to 8,560 and 9,280

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Solution

The third proportional to 8,560 and 9,280 is: 10,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560 : 9,280 = 9,280 : x
  2. Step 2: Convert to fraction form
    8,560/9,280 = 9,280/x
  3. Step 3: Cross multiply
    8,560x = 9,280 × 9,280
  4. Step 4: Simplify right side
    8,560x = 86,118,400
  5. Step 5: Solve for x
    x = 86,118,400/8,560
  6. Step 6: Final answer
    x = 10,060.56

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.