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Finding the Third Proportional to 7,398 and 8,923.50

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Solution

The third proportional to 7,398 and 8,923.50 is: 10,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398 : 8,923.50 = 8,923.50 : x
  2. Step 2: Convert to fraction form
    7,398/8,923.50 = 8,923.50/x
  3. Step 3: Cross multiply
    7,398x = 8,923.50 × 8,923.50
  4. Step 4: Simplify right side
    7,398x = 79,628,852.25
  5. Step 5: Solve for x
    x = 79,628,852.25/7,398
  6. Step 6: Final answer
    x = 10,763.56

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.