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Finding the Third Proportional to 121,553 and 262,546

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Solution

The third proportional to 121,553 and 262,546 is: 567,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,553 : 262,546 = 262,546 : x
  2. Step 2: Convert to fraction form
    121,553/262,546 = 262,546/x
  3. Step 3: Cross multiply
    121,553x = 262,546 × 262,546
  4. Step 4: Simplify right side
    121,553x = 68,930,402,116
  5. Step 5: Solve for x
    x = 68,930,402,116/121,553
  6. Step 6: Final answer
    x = 567,081.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.