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Finding the Third Proportional to 411,980.25 and 902,508.75

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Solution

The third proportional to 411,980.25 and 902,508.75 is: 1,977,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,980.25 : 902,508.75 = 902,508.75 : x
  2. Step 2: Convert to fraction form
    411,980.25/902,508.75 = 902,508.75/x
  3. Step 3: Cross multiply
    411,980.25x = 902,508.75 × 902,508.75
  4. Step 4: Simplify right side
    411,980.25x = 814,522,043,826.56
  5. Step 5: Solve for x
    x = 814,522,043,826.56/411,980.25
  6. Step 6: Final answer
    x = 1,977,090.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.