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Finding the Third Proportional to 71,315 and 110,370

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Solution

The third proportional to 71,315 and 110,370 is: 170,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,315 : 110,370 = 110,370 : x
  2. Step 2: Convert to fraction form
    71,315/110,370 = 110,370/x
  3. Step 3: Cross multiply
    71,315x = 110,370 × 110,370
  4. Step 4: Simplify right side
    71,315x = 12,181,536,900
  5. Step 5: Solve for x
    x = 12,181,536,900/71,315
  6. Step 6: Final answer
    x = 170,813.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.