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Finding the Third Proportional to 190,776.38 and 303,676.50

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Solution

The third proportional to 190,776.38 and 303,676.50 is: 483,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,776.38 : 303,676.50 = 303,676.50 : x
  2. Step 2: Convert to fraction form
    190,776.38/303,676.50 = 303,676.50/x
  3. Step 3: Cross multiply
    190,776.38x = 303,676.50 × 303,676.50
  4. Step 4: Simplify right side
    190,776.38x = 92,219,416,652.25
  5. Step 5: Solve for x
    x = 92,219,416,652.25/190,776.38
  6. Step 6: Final answer
    x = 483,390.13

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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.