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Finding the Third Proportional to 12,521 and 27,130

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Solution

The third proportional to 12,521 and 27,130 is: 58,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521 : 27,130 = 27,130 : x
  2. Step 2: Convert to fraction form
    12,521/27,130 = 27,130/x
  3. Step 3: Cross multiply
    12,521x = 27,130 × 27,130
  4. Step 4: Simplify right side
    12,521x = 736,036,900
  5. Step 5: Solve for x
    x = 736,036,900/12,521
  6. Step 6: Final answer
    x = 58,784.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.