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Finding the Third Proportional to 349,128 and 533,838

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Solution

The third proportional to 349,128 and 533,838 is: 816,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,128 : 533,838 = 533,838 : x
  2. Step 2: Convert to fraction form
    349,128/533,838 = 533,838/x
  3. Step 3: Cross multiply
    349,128x = 533,838 × 533,838
  4. Step 4: Simplify right side
    349,128x = 284,983,010,244
  5. Step 5: Solve for x
    x = 284,983,010,244/349,128
  6. Step 6: Final answer
    x = 816,270.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.