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Finding the Third Proportional to 70,580 and 151,396

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Solution

The third proportional to 70,580 and 151,396 is: 324,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580 : 151,396 = 151,396 : x
  2. Step 2: Convert to fraction form
    70,580/151,396 = 151,396/x
  3. Step 3: Cross multiply
    70,580x = 151,396 × 151,396
  4. Step 4: Simplify right side
    70,580x = 22,920,748,816
  5. Step 5: Solve for x
    x = 22,920,748,816/70,580
  6. Step 6: Final answer
    x = 324,748.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.