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Finding the Third Proportional to 60,080 and 128,986

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Solution

The third proportional to 60,080 and 128,986 is: 276,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,080 : 128,986 = 128,986 : x
  2. Step 2: Convert to fraction form
    60,080/128,986 = 128,986/x
  3. Step 3: Cross multiply
    60,080x = 128,986 × 128,986
  4. Step 4: Simplify right side
    60,080x = 16,637,388,196
  5. Step 5: Solve for x
    x = 16,637,388,196/60,080
  6. Step 6: Final answer
    x = 276,920.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.