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Finding the Third Proportional to 11,370.38 and 12,210.75

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Solution

The third proportional to 11,370.38 and 12,210.75 is: 13,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.38 : 12,210.75 = 12,210.75 : x
  2. Step 2: Convert to fraction form
    11,370.38/12,210.75 = 12,210.75/x
  3. Step 3: Cross multiply
    11,370.38x = 12,210.75 × 12,210.75
  4. Step 4: Simplify right side
    11,370.38x = 149,102,415.56
  5. Step 5: Solve for x
    x = 149,102,415.56/11,370.38
  6. Step 6: Final answer
    x = 13,113.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.