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Finding the Third Proportional to 152,964 and 331,348

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Solution

The third proportional to 152,964 and 331,348 is: 717,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,964 : 331,348 = 331,348 : x
  2. Step 2: Convert to fraction form
    152,964/331,348 = 331,348/x
  3. Step 3: Cross multiply
    152,964x = 331,348 × 331,348
  4. Step 4: Simplify right side
    152,964x = 109,791,497,104
  5. Step 5: Solve for x
    x = 109,791,497,104/152,964
  6. Step 6: Final answer
    x = 717,760.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.