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Finding the Third Proportional to 52,190 and 69,914

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Solution

The third proportional to 52,190 and 69,914 is: 93,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190 : 69,914 = 69,914 : x
  2. Step 2: Convert to fraction form
    52,190/69,914 = 69,914/x
  3. Step 3: Cross multiply
    52,190x = 69,914 × 69,914
  4. Step 4: Simplify right side
    52,190x = 4,887,967,396
  5. Step 5: Solve for x
    x = 4,887,967,396/52,190
  6. Step 6: Final answer
    x = 93,657.16

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.