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Finding the Third Proportional to 99,741 and 215,334

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Solution

The third proportional to 99,741 and 215,334 is: 464,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741 : 215,334 = 215,334 : x
  2. Step 2: Convert to fraction form
    99,741/215,334 = 215,334/x
  3. Step 3: Cross multiply
    99,741x = 215,334 × 215,334
  4. Step 4: Simplify right side
    99,741x = 46,368,731,556
  5. Step 5: Solve for x
    x = 46,368,731,556/99,741
  6. Step 6: Final answer
    x = 464,891.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.