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Finding the Third Proportional to 232,912 and 369,400

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Solution

The third proportional to 232,912 and 369,400 is: 585,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,912 : 369,400 = 369,400 : x
  2. Step 2: Convert to fraction form
    232,912/369,400 = 369,400/x
  3. Step 3: Cross multiply
    232,912x = 369,400 × 369,400
  4. Step 4: Simplify right side
    232,912x = 136,456,360,000
  5. Step 5: Solve for x
    x = 136,456,360,000/232,912
  6. Step 6: Final answer
    x = 585,870.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.