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Finding the Third Proportional to 10,132.50 and 21,777

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Solution

The third proportional to 10,132.50 and 21,777 is: 46,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.50 : 21,777 = 21,777 : x
  2. Step 2: Convert to fraction form
    10,132.50/21,777 = 21,777/x
  3. Step 3: Cross multiply
    10,132.50x = 21,777 × 21,777
  4. Step 4: Simplify right side
    10,132.50x = 474,237,729
  5. Step 5: Solve for x
    x = 474,237,729/10,132.50
  6. Step 6: Final answer
    x = 46,803.62

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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.