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Finding the Third Proportional to 121,557 and 262,554

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Solution

The third proportional to 121,557 and 262,554 is: 567,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,557 : 262,554 = 262,554 : x
  2. Step 2: Convert to fraction form
    121,557/262,554 = 262,554/x
  3. Step 3: Cross multiply
    121,557x = 262,554 × 262,554
  4. Step 4: Simplify right side
    121,557x = 68,934,602,916
  5. Step 5: Solve for x
    x = 68,934,602,916/121,557
  6. Step 6: Final answer
    x = 567,096.94

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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.