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Finding the Third Proportional to 18,607.50 and 28,779.75

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Solution

The third proportional to 18,607.50 and 28,779.75 is: 44,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.50 : 28,779.75 = 28,779.75 : x
  2. Step 2: Convert to fraction form
    18,607.50/28,779.75 = 28,779.75/x
  3. Step 3: Cross multiply
    18,607.50x = 28,779.75 × 28,779.75
  4. Step 4: Simplify right side
    18,607.50x = 828,274,010.06
  5. Step 5: Solve for x
    x = 828,274,010.06/18,607.50
  6. Step 6: Final answer
    x = 44,512.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.