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Finding the Third Proportional to 39,000 and 84,226.50

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Solution

The third proportional to 39,000 and 84,226.50 is: 181,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000 : 84,226.50 = 84,226.50 : x
  2. Step 2: Convert to fraction form
    39,000/84,226.50 = 84,226.50/x
  3. Step 3: Cross multiply
    39,000x = 84,226.50 × 84,226.50
  4. Step 4: Simplify right side
    39,000x = 7,094,103,302.25
  5. Step 5: Solve for x
    x = 7,094,103,302.25/39,000
  6. Step 6: Final answer
    x = 181,900.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.