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Finding the Third Proportional to 175,440 and 264,738

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Solution

The third proportional to 175,440 and 264,738 is: 399,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,440 : 264,738 = 264,738 : x
  2. Step 2: Convert to fraction form
    175,440/264,738 = 264,738/x
  3. Step 3: Cross multiply
    175,440x = 264,738 × 264,738
  4. Step 4: Simplify right side
    175,440x = 70,086,208,644
  5. Step 5: Solve for x
    x = 70,086,208,644/175,440
  6. Step 6: Final answer
    x = 399,488.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.