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Finding the Third Proportional to 10,640 and 16,832

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Solution

The third proportional to 10,640 and 16,832 is: 26,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640 : 16,832 = 16,832 : x
  2. Step 2: Convert to fraction form
    10,640/16,832 = 16,832/x
  3. Step 3: Cross multiply
    10,640x = 16,832 × 16,832
  4. Step 4: Simplify right side
    10,640x = 283,316,224
  5. Step 5: Solve for x
    x = 283,316,224/10,640
  6. Step 6: Final answer
    x = 26,627.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.