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Finding the Third Proportional to 62,848 and 90,888

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Solution

The third proportional to 62,848 and 90,888 is: 131,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,848 : 90,888 = 90,888 : x
  2. Step 2: Convert to fraction form
    62,848/90,888 = 90,888/x
  3. Step 3: Cross multiply
    62,848x = 90,888 × 90,888
  4. Step 4: Simplify right side
    62,848x = 8,260,628,544
  5. Step 5: Solve for x
    x = 8,260,628,544/62,848
  6. Step 6: Final answer
    x = 131,438.21

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.