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Finding the Third Proportional to 4,419 and 9,292

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Solution

The third proportional to 4,419 and 9,292 is: 19,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419 : 9,292 = 9,292 : x
  2. Step 2: Convert to fraction form
    4,419/9,292 = 9,292/x
  3. Step 3: Cross multiply
    4,419x = 9,292 × 9,292
  4. Step 4: Simplify right side
    4,419x = 86,341,264
  5. Step 5: Solve for x
    x = 86,341,264/4,419
  6. Step 6: Final answer
    x = 19,538.64

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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.