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Finding the Third Proportional to 263,252 and 385,005

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Solution

The third proportional to 263,252 and 385,005 is: 563,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,252 : 385,005 = 385,005 : x
  2. Step 2: Convert to fraction form
    263,252/385,005 = 385,005/x
  3. Step 3: Cross multiply
    263,252x = 385,005 × 385,005
  4. Step 4: Simplify right side
    263,252x = 148,228,850,025
  5. Step 5: Solve for x
    x = 148,228,850,025/263,252
  6. Step 6: Final answer
    x = 563,068.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.