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Finding the Third Proportional to 103,291.50 and 218,984.25

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Solution

The third proportional to 103,291.50 and 218,984.25 is: 464,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,291.50 : 218,984.25 = 218,984.25 : x
  2. Step 2: Convert to fraction form
    103,291.50/218,984.25 = 218,984.25/x
  3. Step 3: Cross multiply
    103,291.50x = 218,984.25 × 218,984.25
  4. Step 4: Simplify right side
    103,291.50x = 47,954,101,748.06
  5. Step 5: Solve for x
    x = 47,954,101,748.06/103,291.50
  6. Step 6: Final answer
    x = 464,259.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.