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Finding the Third Proportional to 7,555.13 and 12,000.38

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Solution

The third proportional to 7,555.13 and 12,000.38 is: 19,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.13 : 12,000.38 = 12,000.38 : x
  2. Step 2: Convert to fraction form
    7,555.13/12,000.38 = 12,000.38/x
  3. Step 3: Cross multiply
    7,555.13x = 12,000.38 × 12,000.38
  4. Step 4: Simplify right side
    7,555.13x = 144,009,000.14
  5. Step 5: Solve for x
    x = 144,009,000.14/7,555.13
  6. Step 6: Final answer
    x = 19,061.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.