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Finding the Third Proportional to 329,692 and 706,040

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Solution

The third proportional to 329,692 and 706,040 is: 1,511,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,692 : 706,040 = 706,040 : x
  2. Step 2: Convert to fraction form
    329,692/706,040 = 706,040/x
  3. Step 3: Cross multiply
    329,692x = 706,040 × 706,040
  4. Step 4: Simplify right side
    329,692x = 498,492,481,600
  5. Step 5: Solve for x
    x = 498,492,481,600/329,692
  6. Step 6: Final answer
    x = 1,511,994.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.