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Finding the Third Proportional to 5,815 and 9,365

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Solution

The third proportional to 5,815 and 9,365 is: 15,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815 : 9,365 = 9,365 : x
  2. Step 2: Convert to fraction form
    5,815/9,365 = 9,365/x
  3. Step 3: Cross multiply
    5,815x = 9,365 × 9,365
  4. Step 4: Simplify right side
    5,815x = 87,703,225
  5. Step 5: Solve for x
    x = 87,703,225/5,815
  6. Step 6: Final answer
    x = 15,082.24

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.