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Finding the Third Proportional to 164,491 and 353,929

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Solution

The third proportional to 164,491 and 353,929 is: 761,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,491 : 353,929 = 353,929 : x
  2. Step 2: Convert to fraction form
    164,491/353,929 = 353,929/x
  3. Step 3: Cross multiply
    164,491x = 353,929 × 353,929
  4. Step 4: Simplify right side
    164,491x = 125,265,737,041
  5. Step 5: Solve for x
    x = 125,265,737,041/164,491
  6. Step 6: Final answer
    x = 761,535.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.