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Finding the Third Proportional to 163,374 and 353,889

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Solution

The third proportional to 163,374 and 353,889 is: 766,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,374 : 353,889 = 353,889 : x
  2. Step 2: Convert to fraction form
    163,374/353,889 = 353,889/x
  3. Step 3: Cross multiply
    163,374x = 353,889 × 353,889
  4. Step 4: Simplify right side
    163,374x = 125,237,424,321
  5. Step 5: Solve for x
    x = 125,237,424,321/163,374
  6. Step 6: Final answer
    x = 766,568.88

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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.