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Finding the Third Proportional to 553,516.95 and 903,843.35

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Solution

The third proportional to 553,516.95 and 903,843.35 is: 1,475,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,516.95 : 903,843.35 = 903,843.35 : x
  2. Step 2: Convert to fraction form
    553,516.95/903,843.35 = 903,843.35/x
  3. Step 3: Cross multiply
    553,516.95x = 903,843.35 × 903,843.35
  4. Step 4: Simplify right side
    553,516.95x = 816,932,804,163.73
  5. Step 5: Solve for x
    x = 816,932,804,163.73/553,516.95
  6. Step 6: Final answer
    x = 1,475,894.84

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.