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Finding the Third Proportional to 121,401.75 and 266,894.25

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Solution

The third proportional to 121,401.75 and 266,894.25 is: 586,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,401.75 : 266,894.25 = 266,894.25 : x
  2. Step 2: Convert to fraction form
    121,401.75/266,894.25 = 266,894.25/x
  3. Step 3: Cross multiply
    121,401.75x = 266,894.25 × 266,894.25
  4. Step 4: Simplify right side
    121,401.75x = 71,232,540,683.06
  5. Step 5: Solve for x
    x = 71,232,540,683.06/121,401.75
  6. Step 6: Final answer
    x = 586,750.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.