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Finding the Third Proportional to 223,912 and 487,208

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Solution

The third proportional to 223,912 and 487,208 is: 1,060,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,912 : 487,208 = 487,208 : x
  2. Step 2: Convert to fraction form
    223,912/487,208 = 487,208/x
  3. Step 3: Cross multiply
    223,912x = 487,208 × 487,208
  4. Step 4: Simplify right side
    223,912x = 237,371,635,264
  5. Step 5: Solve for x
    x = 237,371,635,264/223,912
  6. Step 6: Final answer
    x = 1,060,111.27

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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.