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Finding the Third Proportional to 27,702.75 and 42,977.75

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Solution

The third proportional to 27,702.75 and 42,977.75 is: 66,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.75 : 42,977.75 = 42,977.75 : x
  2. Step 2: Convert to fraction form
    27,702.75/42,977.75 = 42,977.75/x
  3. Step 3: Cross multiply
    27,702.75x = 42,977.75 × 42,977.75
  4. Step 4: Simplify right side
    27,702.75x = 1,847,086,995.06
  5. Step 5: Solve for x
    x = 1,847,086,995.06/27,702.75
  6. Step 6: Final answer
    x = 66,675.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.