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Finding the Third Proportional to 75,210 and 151,650

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Solution

The third proportional to 75,210 and 151,650 is: 305,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,210 : 151,650 = 151,650 : x
  2. Step 2: Convert to fraction form
    75,210/151,650 = 151,650/x
  3. Step 3: Cross multiply
    75,210x = 151,650 × 151,650
  4. Step 4: Simplify right side
    75,210x = 22,997,722,500
  5. Step 5: Solve for x
    x = 22,997,722,500/75,210
  6. Step 6: Final answer
    x = 305,780.12

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.