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Finding the Third Proportional to 7,629.19 and 9,006.19

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Solution

The third proportional to 7,629.19 and 9,006.19 is: 10,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.19 : 9,006.19 = 9,006.19 : x
  2. Step 2: Convert to fraction form
    7,629.19/9,006.19 = 9,006.19/x
  3. Step 3: Cross multiply
    7,629.19x = 9,006.19 × 9,006.19
  4. Step 4: Simplify right side
    7,629.19x = 81,111,413.29
  5. Step 5: Solve for x
    x = 81,111,413.29/7,629.19
  6. Step 6: Final answer
    x = 10,631.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.