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Finding the Third Proportional to 4,505 and 9,465

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Solution

The third proportional to 4,505 and 9,465 is: 19,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505 : 9,465 = 9,465 : x
  2. Step 2: Convert to fraction form
    4,505/9,465 = 9,465/x
  3. Step 3: Cross multiply
    4,505x = 9,465 × 9,465
  4. Step 4: Simplify right side
    4,505x = 89,586,225
  5. Step 5: Solve for x
    x = 89,586,225/4,505
  6. Step 6: Final answer
    x = 19,885.95

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.