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Finding the Third Proportional to 828,652 and 1,804,920

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Solution

The third proportional to 828,652 and 1,804,920 is: 3,931,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,652 : 1,804,920 = 1,804,920 : x
  2. Step 2: Convert to fraction form
    828,652/1,804,920 = 1,804,920/x
  3. Step 3: Cross multiply
    828,652x = 1,804,920 × 1,804,920
  4. Step 4: Simplify right side
    828,652x = 3,257,736,206,400
  5. Step 5: Solve for x
    x = 3,257,736,206,400/828,652
  6. Step 6: Final answer
    x = 3,931,368.30

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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.