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Finding the Third Proportional to 349,738 and 531,446

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Solution

The third proportional to 349,738 and 531,446 is: 807,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,738 : 531,446 = 531,446 : x
  2. Step 2: Convert to fraction form
    349,738/531,446 = 531,446/x
  3. Step 3: Cross multiply
    349,738x = 531,446 × 531,446
  4. Step 4: Simplify right side
    349,738x = 282,434,850,916
  5. Step 5: Solve for x
    x = 282,434,850,916/349,738
  6. Step 6: Final answer
    x = 807,561.23

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.