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Finding the Third Proportional to 84,464 and 182,320

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Solution

The third proportional to 84,464 and 182,320 is: 393,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,464 : 182,320 = 182,320 : x
  2. Step 2: Convert to fraction form
    84,464/182,320 = 182,320/x
  3. Step 3: Cross multiply
    84,464x = 182,320 × 182,320
  4. Step 4: Simplify right side
    84,464x = 33,240,582,400
  5. Step 5: Solve for x
    x = 33,240,582,400/84,464
  6. Step 6: Final answer
    x = 393,547.34

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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.