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Finding the Third Proportional to 808,510 and 1,212,664

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Solution

The third proportional to 808,510 and 1,212,664 is: 1,818,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,510 : 1,212,664 = 1,212,664 : x
  2. Step 2: Convert to fraction form
    808,510/1,212,664 = 1,212,664/x
  3. Step 3: Cross multiply
    808,510x = 1,212,664 × 1,212,664
  4. Step 4: Simplify right side
    808,510x = 1,470,553,976,896
  5. Step 5: Solve for x
    x = 1,470,553,976,896/808,510
  6. Step 6: Final answer
    x = 1,818,844.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.