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Finding the Third Proportional to 243,176 and 363,790

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Solution

The third proportional to 243,176 and 363,790 is: 544,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,176 : 363,790 = 363,790 : x
  2. Step 2: Convert to fraction form
    243,176/363,790 = 363,790/x
  3. Step 3: Cross multiply
    243,176x = 363,790 × 363,790
  4. Step 4: Simplify right side
    243,176x = 132,343,164,100
  5. Step 5: Solve for x
    x = 132,343,164,100/243,176
  6. Step 6: Final answer
    x = 544,227.90

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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.