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Finding the Third Proportional to 18,152.35 and 39,320.36

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Solution

The third proportional to 18,152.35 and 39,320.36 is: 85,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.35 : 39,320.36 = 39,320.36 : x
  2. Step 2: Convert to fraction form
    18,152.35/39,320.36 = 39,320.36/x
  3. Step 3: Cross multiply
    18,152.35x = 39,320.36 × 39,320.36
  4. Step 4: Simplify right side
    18,152.35x = 1,546,090,584.58
  5. Step 5: Solve for x
    x = 1,546,090,584.58/18,152.35
  6. Step 6: Final answer
    x = 85,173.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.