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Finding the Third Proportional to 553,562 and 903,906

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Solution

The third proportional to 553,562 and 903,906 is: 1,475,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,562 : 903,906 = 903,906 : x
  2. Step 2: Convert to fraction form
    553,562/903,906 = 903,906/x
  3. Step 3: Cross multiply
    553,562x = 903,906 × 903,906
  4. Step 4: Simplify right side
    553,562x = 817,046,056,836
  5. Step 5: Solve for x
    x = 817,046,056,836/553,562
  6. Step 6: Final answer
    x = 1,475,979.31

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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.