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Finding the Third Proportional to 242,797 and 380,877

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Solution

The third proportional to 242,797 and 380,877 is: 597,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,797 : 380,877 = 380,877 : x
  2. Step 2: Convert to fraction form
    242,797/380,877 = 380,877/x
  3. Step 3: Cross multiply
    242,797x = 380,877 × 380,877
  4. Step 4: Simplify right side
    242,797x = 145,067,289,129
  5. Step 5: Solve for x
    x = 145,067,289,129/242,797
  6. Step 6: Final answer
    x = 597,483.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.