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Finding the Third Proportional to 191,138 and 303,603

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Solution

The third proportional to 191,138 and 303,603 is: 482,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,138 : 303,603 = 303,603 : x
  2. Step 2: Convert to fraction form
    191,138/303,603 = 303,603/x
  3. Step 3: Cross multiply
    191,138x = 303,603 × 303,603
  4. Step 4: Simplify right side
    191,138x = 92,174,781,609
  5. Step 5: Solve for x
    x = 92,174,781,609/191,138
  6. Step 6: Final answer
    x = 482,242.05

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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.