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Finding the Third Proportional to 103,720.50 and 155,580.75

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Solution

The third proportional to 103,720.50 and 155,580.75 is: 233,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,720.50 : 155,580.75 = 155,580.75 : x
  2. Step 2: Convert to fraction form
    103,720.50/155,580.75 = 155,580.75/x
  3. Step 3: Cross multiply
    103,720.50x = 155,580.75 × 155,580.75
  4. Step 4: Simplify right side
    103,720.50x = 24,205,369,770.56
  5. Step 5: Solve for x
    x = 24,205,369,770.56/103,720.50
  6. Step 6: Final answer
    x = 233,371.13

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.