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Finding the Third Proportional to 77,763.50 and 166,552.50

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Solution

The third proportional to 77,763.50 and 166,552.50 is: 356,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763.50 : 166,552.50 = 166,552.50 : x
  2. Step 2: Convert to fraction form
    77,763.50/166,552.50 = 166,552.50/x
  3. Step 3: Cross multiply
    77,763.50x = 166,552.50 × 166,552.50
  4. Step 4: Simplify right side
    77,763.50x = 27,739,735,256.25
  5. Step 5: Solve for x
    x = 27,739,735,256.25/77,763.50
  6. Step 6: Final answer
    x = 356,719.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.