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Finding the Third Proportional to 889,724.25 and 1,378,827

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Solution

The third proportional to 889,724.25 and 1,378,827 is: 2,136,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,724.25 : 1,378,827 = 1,378,827 : x
  2. Step 2: Convert to fraction form
    889,724.25/1,378,827 = 1,378,827/x
  3. Step 3: Cross multiply
    889,724.25x = 1,378,827 × 1,378,827
  4. Step 4: Simplify right side
    889,724.25x = 1,901,163,895,929
  5. Step 5: Solve for x
    x = 1,901,163,895,929/889,724.25
  6. Step 6: Final answer
    x = 2,136,801.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.