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Finding the Third Proportional to 6,574 and 7,990

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Solution

The third proportional to 6,574 and 7,990 is: 9,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574 : 7,990 = 7,990 : x
  2. Step 2: Convert to fraction form
    6,574/7,990 = 7,990/x
  3. Step 3: Cross multiply
    6,574x = 7,990 × 7,990
  4. Step 4: Simplify right side
    6,574x = 63,840,100
  5. Step 5: Solve for x
    x = 63,840,100/6,574
  6. Step 6: Final answer
    x = 9,711.00

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These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.