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Finding the Third Proportional to 65,919.38 and 136,509.75

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Solution

The third proportional to 65,919.38 and 136,509.75 is: 282,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.38 : 136,509.75 = 136,509.75 : x
  2. Step 2: Convert to fraction form
    65,919.38/136,509.75 = 136,509.75/x
  3. Step 3: Cross multiply
    65,919.38x = 136,509.75 × 136,509.75
  4. Step 4: Simplify right side
    65,919.38x = 18,634,911,845.06
  5. Step 5: Solve for x
    x = 18,634,911,845.06/65,919.38
  6. Step 6: Final answer
    x = 282,692.48

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.