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Finding the Third Proportional to 50,940 and 66,564

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Solution

The third proportional to 50,940 and 66,564 is: 86,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940 : 66,564 = 66,564 : x
  2. Step 2: Convert to fraction form
    50,940/66,564 = 66,564/x
  3. Step 3: Cross multiply
    50,940x = 66,564 × 66,564
  4. Step 4: Simplify right side
    50,940x = 4,430,766,096
  5. Step 5: Solve for x
    x = 4,430,766,096/50,940
  6. Step 6: Final answer
    x = 86,980.10

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.