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Finding the Third Proportional to 21,595.50 and 28,707.75

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Solution

The third proportional to 21,595.50 and 28,707.75 is: 38,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.50 : 28,707.75 = 28,707.75 : x
  2. Step 2: Convert to fraction form
    21,595.50/28,707.75 = 28,707.75/x
  3. Step 3: Cross multiply
    21,595.50x = 28,707.75 × 28,707.75
  4. Step 4: Simplify right side
    21,595.50x = 824,134,910.06
  5. Step 5: Solve for x
    x = 824,134,910.06/21,595.50
  6. Step 6: Final answer
    x = 38,162.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.