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Finding the Third Proportional to 66,928.03 and 103,632.05

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Solution

The third proportional to 66,928.03 and 103,632.05 is: 160,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.03 : 103,632.05 = 103,632.05 : x
  2. Step 2: Convert to fraction form
    66,928.03/103,632.05 = 103,632.05/x
  3. Step 3: Cross multiply
    66,928.03x = 103,632.05 × 103,632.05
  4. Step 4: Simplify right side
    66,928.03x = 10,739,601,139.50
  5. Step 5: Solve for x
    x = 10,739,601,139.50/66,928.03
  6. Step 6: Final answer
    x = 160,464.92

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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.