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Finding the Third Proportional to 9,347.91 and 19,850.06

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Solution

The third proportional to 9,347.91 and 19,850.06 is: 42,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.91 : 19,850.06 = 19,850.06 : x
  2. Step 2: Convert to fraction form
    9,347.91/19,850.06 = 19,850.06/x
  3. Step 3: Cross multiply
    9,347.91x = 19,850.06 × 19,850.06
  4. Step 4: Simplify right side
    9,347.91x = 394,024,981.25
  5. Step 5: Solve for x
    x = 394,024,981.25/9,347.91
  6. Step 6: Final answer
    x = 42,151.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.