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Finding the Third Proportional to 18,440 and 24,880

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Solution

The third proportional to 18,440 and 24,880 is: 33,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440 : 24,880 = 24,880 : x
  2. Step 2: Convert to fraction form
    18,440/24,880 = 24,880/x
  3. Step 3: Cross multiply
    18,440x = 24,880 × 24,880
  4. Step 4: Simplify right side
    18,440x = 619,014,400
  5. Step 5: Solve for x
    x = 619,014,400/18,440
  6. Step 6: Final answer
    x = 33,569.11

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.