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Finding the Third Proportional to 369,921.75 and 501,297.75

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Solution

The third proportional to 369,921.75 and 501,297.75 is: 679,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,921.75 : 501,297.75 = 501,297.75 : x
  2. Step 2: Convert to fraction form
    369,921.75/501,297.75 = 501,297.75/x
  3. Step 3: Cross multiply
    369,921.75x = 501,297.75 × 501,297.75
  4. Step 4: Simplify right side
    369,921.75x = 251,299,434,155.06
  5. Step 5: Solve for x
    x = 251,299,434,155.06/369,921.75
  6. Step 6: Final answer
    x = 679,331.33

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.