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Finding the Third Proportional to 69,985.13 and 104,977.69

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Solution

The third proportional to 69,985.13 and 104,977.69 is: 157,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.13 : 104,977.69 = 104,977.69 : x
  2. Step 2: Convert to fraction form
    69,985.13/104,977.69 = 104,977.69/x
  3. Step 3: Cross multiply
    69,985.13x = 104,977.69 × 104,977.69
  4. Step 4: Simplify right side
    69,985.13x = 11,020,314,872.85
  5. Step 5: Solve for x
    x = 11,020,314,872.85/69,985.13
  6. Step 6: Final answer
    x = 157,466.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.