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Finding the Third Proportional to 7,555.50 and 10,621.13

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Solution

The third proportional to 7,555.50 and 10,621.13 is: 14,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.50 : 10,621.13 = 10,621.13 : x
  2. Step 2: Convert to fraction form
    7,555.50/10,621.13 = 10,621.13/x
  3. Step 3: Cross multiply
    7,555.50x = 10,621.13 × 10,621.13
  4. Step 4: Simplify right side
    7,555.50x = 112,808,296.27
  5. Step 5: Solve for x
    x = 112,808,296.27/7,555.50
  6. Step 6: Final answer
    x = 14,930.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.