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Finding the Third Proportional to 176,969 and 382,209

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Solution

The third proportional to 176,969 and 382,209 is: 825,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,969 : 382,209 = 382,209 : x
  2. Step 2: Convert to fraction form
    176,969/382,209 = 382,209/x
  3. Step 3: Cross multiply
    176,969x = 382,209 × 382,209
  4. Step 4: Simplify right side
    176,969x = 146,083,719,681
  5. Step 5: Solve for x
    x = 146,083,719,681/176,969
  6. Step 6: Final answer
    x = 825,476.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.