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Finding the Third Proportional to 113,540 and 170,310

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Solution

The third proportional to 113,540 and 170,310 is: 255,465

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540 : 170,310 = 170,310 : x
  2. Step 2: Convert to fraction form
    113,540/170,310 = 170,310/x
  3. Step 3: Cross multiply
    113,540x = 170,310 × 170,310
  4. Step 4: Simplify right side
    113,540x = 29,005,496,100
  5. Step 5: Solve for x
    x = 29,005,496,100/113,540
  6. Step 6: Final answer
    x = 255,465

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.