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Finding the Third Proportional to 191,140.50 and 303,660

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Solution

The third proportional to 191,140.50 and 303,660 is: 482,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,140.50 : 303,660 = 303,660 : x
  2. Step 2: Convert to fraction form
    191,140.50/303,660 = 303,660/x
  3. Step 3: Cross multiply
    191,140.50x = 303,660 × 303,660
  4. Step 4: Simplify right side
    191,140.50x = 92,209,395,600
  5. Step 5: Solve for x
    x = 92,209,395,600/191,140.50
  6. Step 6: Final answer
    x = 482,416.84

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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.