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Finding the Third Proportional to 7,477.13 and 10,891.13

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Solution

The third proportional to 7,477.13 and 10,891.13 is: 15,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.13 : 10,891.13 = 10,891.13 : x
  2. Step 2: Convert to fraction form
    7,477.13/10,891.13 = 10,891.13/x
  3. Step 3: Cross multiply
    7,477.13x = 10,891.13 × 10,891.13
  4. Step 4: Simplify right side
    7,477.13x = 118,616,603.77
  5. Step 5: Solve for x
    x = 118,616,603.77/7,477.13
  6. Step 6: Final answer
    x = 15,863.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.