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Finding the Third Proportional to 77,228.44 and 180,427.50

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Solution

The third proportional to 77,228.44 and 180,427.50 is: 421,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.44 : 180,427.50 = 180,427.50 : x
  2. Step 2: Convert to fraction form
    77,228.44/180,427.50 = 180,427.50/x
  3. Step 3: Cross multiply
    77,228.44x = 180,427.50 × 180,427.50
  4. Step 4: Simplify right side
    77,228.44x = 32,554,082,756.25
  5. Step 5: Solve for x
    x = 32,554,082,756.25/77,228.44
  6. Step 6: Final answer
    x = 421,529.73

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.