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Finding the Third Proportional to 208,104 and 455,856

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Solution

The third proportional to 208,104 and 455,856 is: 998,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,104 : 455,856 = 455,856 : x
  2. Step 2: Convert to fraction form
    208,104/455,856 = 455,856/x
  3. Step 3: Cross multiply
    208,104x = 455,856 × 455,856
  4. Step 4: Simplify right side
    208,104x = 207,804,692,736
  5. Step 5: Solve for x
    x = 207,804,692,736/208,104
  6. Step 6: Final answer
    x = 998,561.74

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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.