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Finding the Third Proportional to 840,606 and 1,805,628

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Solution

The third proportional to 840,606 and 1,805,628 is: 3,878,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,606 : 1,805,628 = 1,805,628 : x
  2. Step 2: Convert to fraction form
    840,606/1,805,628 = 1,805,628/x
  3. Step 3: Cross multiply
    840,606x = 1,805,628 × 1,805,628
  4. Step 4: Simplify right side
    840,606x = 3,260,292,474,384
  5. Step 5: Solve for x
    x = 3,260,292,474,384/840,606
  6. Step 6: Final answer
    x = 3,878,502.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.