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Finding the Third Proportional to 99,040 and 216,794

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Solution

The third proportional to 99,040 and 216,794 is: 474,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040 : 216,794 = 216,794 : x
  2. Step 2: Convert to fraction form
    99,040/216,794 = 216,794/x
  3. Step 3: Cross multiply
    99,040x = 216,794 × 216,794
  4. Step 4: Simplify right side
    99,040x = 46,999,638,436
  5. Step 5: Solve for x
    x = 46,999,638,436/99,040
  6. Step 6: Final answer
    x = 474,552.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.