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Finding the Third Proportional to 18,888.19 and 28,924.59

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Solution

The third proportional to 18,888.19 and 28,924.59 is: 44,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.19 : 28,924.59 = 28,924.59 : x
  2. Step 2: Convert to fraction form
    18,888.19/28,924.59 = 28,924.59/x
  3. Step 3: Cross multiply
    18,888.19x = 28,924.59 × 28,924.59
  4. Step 4: Simplify right side
    18,888.19x = 836,632,123.60
  5. Step 5: Solve for x
    x = 836,632,123.60/18,888.19
  6. Step 6: Final answer
    x = 44,293.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.