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Finding the Third Proportional to 113,023.50 and 170,990.25

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Solution

The third proportional to 113,023.50 and 170,990.25 is: 258,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023.50 : 170,990.25 = 170,990.25 : x
  2. Step 2: Convert to fraction form
    113,023.50/170,990.25 = 170,990.25/x
  3. Step 3: Cross multiply
    113,023.50x = 170,990.25 × 170,990.25
  4. Step 4: Simplify right side
    113,023.50x = 29,237,665,595.06
  5. Step 5: Solve for x
    x = 29,237,665,595.06/113,023.50
  6. Step 6: Final answer
    x = 258,686.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.