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Finding the Third Proportional to 362,614 and 509,738

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Solution

The third proportional to 362,614 and 509,738 is: 716,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,614 : 509,738 = 509,738 : x
  2. Step 2: Convert to fraction form
    362,614/509,738 = 509,738/x
  3. Step 3: Cross multiply
    362,614x = 509,738 × 509,738
  4. Step 4: Simplify right side
    362,614x = 259,832,828,644
  5. Step 5: Solve for x
    x = 259,832,828,644/362,614
  6. Step 6: Final answer
    x = 716,554.87

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.