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Finding the Third Proportional to 792,990 and 1,762,560

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Solution

The third proportional to 792,990 and 1,762,560 is: 3,917,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,990 : 1,762,560 = 1,762,560 : x
  2. Step 2: Convert to fraction form
    792,990/1,762,560 = 1,762,560/x
  3. Step 3: Cross multiply
    792,990x = 1,762,560 × 1,762,560
  4. Step 4: Simplify right side
    792,990x = 3,106,617,753,600
  5. Step 5: Solve for x
    x = 3,106,617,753,600/792,990
  6. Step 6: Final answer
    x = 3,917,600.16

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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.