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Finding the Third Proportional to 18,717.75 and 27,346.50

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Solution

The third proportional to 18,717.75 and 27,346.50 is: 39,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.75 : 27,346.50 = 27,346.50 : x
  2. Step 2: Convert to fraction form
    18,717.75/27,346.50 = 27,346.50/x
  3. Step 3: Cross multiply
    18,717.75x = 27,346.50 × 27,346.50
  4. Step 4: Simplify right side
    18,717.75x = 747,831,062.25
  5. Step 5: Solve for x
    x = 747,831,062.25/18,717.75
  6. Step 6: Final answer
    x = 39,953.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.