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Finding the Third Proportional to 379,858 and 563,931

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Solution

The third proportional to 379,858 and 563,931 is: 837,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,858 : 563,931 = 563,931 : x
  2. Step 2: Convert to fraction form
    379,858/563,931 = 563,931/x
  3. Step 3: Cross multiply
    379,858x = 563,931 × 563,931
  4. Step 4: Simplify right side
    379,858x = 318,018,172,761
  5. Step 5: Solve for x
    x = 318,018,172,761/379,858
  6. Step 6: Final answer
    x = 837,202.78

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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.