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Finding the Third Proportional to 19,914 and 26,421

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Solution

The third proportional to 19,914 and 26,421 is: 35,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914 : 26,421 = 26,421 : x
  2. Step 2: Convert to fraction form
    19,914/26,421 = 26,421/x
  3. Step 3: Cross multiply
    19,914x = 26,421 × 26,421
  4. Step 4: Simplify right side
    19,914x = 698,069,241
  5. Step 5: Solve for x
    x = 698,069,241/19,914
  6. Step 6: Final answer
    x = 35,054.20

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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.