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Finding the Third Proportional to 223,430 and 487,006

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Solution

The third proportional to 223,430 and 487,006 is: 1,061,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,430 : 487,006 = 487,006 : x
  2. Step 2: Convert to fraction form
    223,430/487,006 = 487,006/x
  3. Step 3: Cross multiply
    223,430x = 487,006 × 487,006
  4. Step 4: Simplify right side
    223,430x = 237,174,844,036
  5. Step 5: Solve for x
    x = 237,174,844,036/223,430
  6. Step 6: Final answer
    x = 1,061,517.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.