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Finding the Third Proportional to 70,848 and 155,312

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Solution

The third proportional to 70,848 and 155,312 is: 340,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848 : 155,312 = 155,312 : x
  2. Step 2: Convert to fraction form
    70,848/155,312 = 155,312/x
  3. Step 3: Cross multiply
    70,848x = 155,312 × 155,312
  4. Step 4: Simplify right side
    70,848x = 24,121,817,344
  5. Step 5: Solve for x
    x = 24,121,817,344/70,848
  6. Step 6: Final answer
    x = 340,472.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.