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Finding the Third Proportional to 84,721.22 and 183,389.91

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Solution

The third proportional to 84,721.22 and 183,389.91 is: 396,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.22 : 183,389.91 = 183,389.91 : x
  2. Step 2: Convert to fraction form
    84,721.22/183,389.91 = 183,389.91/x
  3. Step 3: Cross multiply
    84,721.22x = 183,389.91 × 183,389.91
  4. Step 4: Simplify right side
    84,721.22x = 33,631,857,714.38
  5. Step 5: Solve for x
    x = 33,631,857,714.38/84,721.22
  6. Step 6: Final answer
    x = 396,970.89

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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.