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Finding the Third Proportional to 19,980 and 26,514

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Solution

The third proportional to 19,980 and 26,514 is: 35,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980 : 26,514 = 26,514 : x
  2. Step 2: Convert to fraction form
    19,980/26,514 = 26,514/x
  3. Step 3: Cross multiply
    19,980x = 26,514 × 26,514
  4. Step 4: Simplify right side
    19,980x = 702,992,196
  5. Step 5: Solve for x
    x = 702,992,196/19,980
  6. Step 6: Final answer
    x = 35,184.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.