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Finding the Third Proportional to 190,780.50 and 303,685.88

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Solution

The third proportional to 190,780.50 and 303,685.88 is: 483,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780.50 : 303,685.88 = 303,685.88 : x
  2. Step 2: Convert to fraction form
    190,780.50/303,685.88 = 303,685.88/x
  3. Step 3: Cross multiply
    190,780.50x = 303,685.88 × 303,685.88
  4. Step 4: Simplify right side
    190,780.50x = 92,225,110,674.52
  5. Step 5: Solve for x
    x = 92,225,110,674.52/190,780.50
  6. Step 6: Final answer
    x = 483,409.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.