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Finding the Third Proportional to 143,133.75 and 305,950.50

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Solution

The third proportional to 143,133.75 and 305,950.50 is: 653,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,133.75 : 305,950.50 = 305,950.50 : x
  2. Step 2: Convert to fraction form
    143,133.75/305,950.50 = 305,950.50/x
  3. Step 3: Cross multiply
    143,133.75x = 305,950.50 × 305,950.50
  4. Step 4: Simplify right side
    143,133.75x = 93,605,708,450.25
  5. Step 5: Solve for x
    x = 93,605,708,450.25/143,133.75
  6. Step 6: Final answer
    x = 653,973.70

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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.