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Finding the Third Proportional to 69,277.50 and 149,365

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Solution

The third proportional to 69,277.50 and 149,365 is: 322,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,277.50 : 149,365 = 149,365 : x
  2. Step 2: Convert to fraction form
    69,277.50/149,365 = 149,365/x
  3. Step 3: Cross multiply
    69,277.50x = 149,365 × 149,365
  4. Step 4: Simplify right side
    69,277.50x = 22,309,903,225
  5. Step 5: Solve for x
    x = 22,309,903,225/69,277.50
  6. Step 6: Final answer
    x = 322,036.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.