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Finding the Third Proportional to 378,810 and 841,704

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Solution

The third proportional to 378,810 and 841,704 is: 1,870,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,810 : 841,704 = 841,704 : x
  2. Step 2: Convert to fraction form
    378,810/841,704 = 841,704/x
  3. Step 3: Cross multiply
    378,810x = 841,704 × 841,704
  4. Step 4: Simplify right side
    378,810x = 708,465,623,616
  5. Step 5: Solve for x
    x = 708,465,623,616/378,810
  6. Step 6: Final answer
    x = 1,870,240.02

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.