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Finding the Third Proportional to 368,028.56 and 553,885.59

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Solution

The third proportional to 368,028.56 and 553,885.59 is: 833,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,028.56 : 553,885.59 = 553,885.59 : x
  2. Step 2: Convert to fraction form
    368,028.56/553,885.59 = 553,885.59/x
  3. Step 3: Cross multiply
    368,028.56x = 553,885.59 × 553,885.59
  4. Step 4: Simplify right side
    368,028.56x = 306,789,250,963.79
  5. Step 5: Solve for x
    x = 306,789,250,963.79/368,028.56
  6. Step 6: Final answer
    x = 833,601.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.