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Finding the Third Proportional to 12,859.13 and 19,426.13

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Solution

The third proportional to 12,859.13 and 19,426.13 is: 29,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.13 : 19,426.13 = 19,426.13 : x
  2. Step 2: Convert to fraction form
    12,859.13/19,426.13 = 19,426.13/x
  3. Step 3: Cross multiply
    12,859.13x = 19,426.13 × 19,426.13
  4. Step 4: Simplify right side
    12,859.13x = 377,374,332.52
  5. Step 5: Solve for x
    x = 377,374,332.52/12,859.13
  6. Step 6: Final answer
    x = 29,346.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.