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Finding the Third Proportional to 205,488 and 301,122

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Solution

The third proportional to 205,488 and 301,122 is: 441,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,488 : 301,122 = 301,122 : x
  2. Step 2: Convert to fraction form
    205,488/301,122 = 301,122/x
  3. Step 3: Cross multiply
    205,488x = 301,122 × 301,122
  4. Step 4: Simplify right side
    205,488x = 90,674,458,884
  5. Step 5: Solve for x
    x = 90,674,458,884/205,488
  6. Step 6: Final answer
    x = 441,264.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.