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Finding the Third Proportional to 181,580 and 385,006

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Solution

The third proportional to 181,580 and 385,006 is: 816,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,580 : 385,006 = 385,006 : x
  2. Step 2: Convert to fraction form
    181,580/385,006 = 385,006/x
  3. Step 3: Cross multiply
    181,580x = 385,006 × 385,006
  4. Step 4: Simplify right side
    181,580x = 148,229,620,036
  5. Step 5: Solve for x
    x = 148,229,620,036/181,580
  6. Step 6: Final answer
    x = 816,332.31

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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.