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Finding the Third Proportional to 369,120 and 804,940

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Solution

The third proportional to 369,120 and 804,940 is: 1,755,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,120 : 804,940 = 804,940 : x
  2. Step 2: Convert to fraction form
    369,120/804,940 = 804,940/x
  3. Step 3: Cross multiply
    369,120x = 804,940 × 804,940
  4. Step 4: Simplify right side
    369,120x = 647,928,403,600
  5. Step 5: Solve for x
    x = 647,928,403,600/369,120
  6. Step 6: Final answer
    x = 1,755,332.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.