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Finding the Third Proportional to 553,617 and 903,998

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Solution

The third proportional to 553,617 and 903,998 is: 1,476,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,617 : 903,998 = 903,998 : x
  2. Step 2: Convert to fraction form
    553,617/903,998 = 903,998/x
  3. Step 3: Cross multiply
    553,617x = 903,998 × 903,998
  4. Step 4: Simplify right side
    553,617x = 817,212,384,004
  5. Step 5: Solve for x
    x = 817,212,384,004/553,617
  6. Step 6: Final answer
    x = 1,476,133.11

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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.