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Finding the Third Proportional to 75,340 and 110,705

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Solution

The third proportional to 75,340 and 110,705 is: 162,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,340 : 110,705 = 110,705 : x
  2. Step 2: Convert to fraction form
    75,340/110,705 = 110,705/x
  3. Step 3: Cross multiply
    75,340x = 110,705 × 110,705
  4. Step 4: Simplify right side
    75,340x = 12,255,597,025
  5. Step 5: Solve for x
    x = 12,255,597,025/75,340
  6. Step 6: Final answer
    x = 162,670.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.