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Finding the Third Proportional to 147,973 and 326,107

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Solution

The third proportional to 147,973 and 326,107 is: 718,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,973 : 326,107 = 326,107 : x
  2. Step 2: Convert to fraction form
    147,973/326,107 = 326,107/x
  3. Step 3: Cross multiply
    147,973x = 326,107 × 326,107
  4. Step 4: Simplify right side
    147,973x = 106,345,775,449
  5. Step 5: Solve for x
    x = 106,345,775,449/147,973
  6. Step 6: Final answer
    x = 718,683.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.