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Finding the Third Proportional to 16,815 and 25,347.75

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Solution

The third proportional to 16,815 and 25,347.75 is: 38,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815 : 25,347.75 = 25,347.75 : x
  2. Step 2: Convert to fraction form
    16,815/25,347.75 = 25,347.75/x
  3. Step 3: Cross multiply
    16,815x = 25,347.75 × 25,347.75
  4. Step 4: Simplify right side
    16,815x = 642,508,430.06
  5. Step 5: Solve for x
    x = 642,508,430.06/16,815
  6. Step 6: Final answer
    x = 38,210.43

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1.5x scale

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.