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Finding the Third Proportional to 74,951 and 159,612.25

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Solution

The third proportional to 74,951 and 159,612.25 is: 339,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,951 : 159,612.25 = 159,612.25 : x
  2. Step 2: Convert to fraction form
    74,951/159,612.25 = 159,612.25/x
  3. Step 3: Cross multiply
    74,951x = 159,612.25 × 159,612.25
  4. Step 4: Simplify right side
    74,951x = 25,476,070,350.06
  5. Step 5: Solve for x
    x = 25,476,070,350.06/74,951
  6. Step 6: Final answer
    x = 339,903.01

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.