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Finding the Third Proportional to 14,465.75 and 21,854

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Solution

The third proportional to 14,465.75 and 21,854 is: 33,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.75 : 21,854 = 21,854 : x
  2. Step 2: Convert to fraction form
    14,465.75/21,854 = 21,854/x
  3. Step 3: Cross multiply
    14,465.75x = 21,854 × 21,854
  4. Step 4: Simplify right side
    14,465.75x = 477,597,316
  5. Step 5: Solve for x
    x = 477,597,316/14,465.75
  6. Step 6: Final answer
    x = 33,015.73

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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.