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Finding the Third Proportional to 12,210.75 and 25,899.75

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Solution

The third proportional to 12,210.75 and 25,899.75 is: 54,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.75 : 25,899.75 = 25,899.75 : x
  2. Step 2: Convert to fraction form
    12,210.75/25,899.75 = 25,899.75/x
  3. Step 3: Cross multiply
    12,210.75x = 25,899.75 × 25,899.75
  4. Step 4: Simplify right side
    12,210.75x = 670,797,050.06
  5. Step 5: Solve for x
    x = 670,797,050.06/12,210.75
  6. Step 6: Final answer
    x = 54,934.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.