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Finding the Third Proportional to 12,422 and 27,430

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Solution

The third proportional to 12,422 and 27,430 is: 60,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422 : 27,430 = 27,430 : x
  2. Step 2: Convert to fraction form
    12,422/27,430 = 27,430/x
  3. Step 3: Cross multiply
    12,422x = 27,430 × 27,430
  4. Step 4: Simplify right side
    12,422x = 752,404,900
  5. Step 5: Solve for x
    x = 752,404,900/12,422
  6. Step 6: Final answer
    x = 60,570.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.