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Finding the Third Proportional to 10,781.75 and 16,106.25

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Solution

The third proportional to 10,781.75 and 16,106.25 is: 24,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.75 : 16,106.25 = 16,106.25 : x
  2. Step 2: Convert to fraction form
    10,781.75/16,106.25 = 16,106.25/x
  3. Step 3: Cross multiply
    10,781.75x = 16,106.25 × 16,106.25
  4. Step 4: Simplify right side
    10,781.75x = 259,411,289.06
  5. Step 5: Solve for x
    x = 259,411,289.06/10,781.75
  6. Step 6: Final answer
    x = 24,060.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.