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Finding the Third Proportional to 411,814 and 902,360

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Solution

The third proportional to 411,814 and 902,360 is: 1,977,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,814 : 902,360 = 902,360 : x
  2. Step 2: Convert to fraction form
    411,814/902,360 = 902,360/x
  3. Step 3: Cross multiply
    411,814x = 902,360 × 902,360
  4. Step 4: Simplify right side
    411,814x = 814,253,569,600
  5. Step 5: Solve for x
    x = 814,253,569,600/411,814
  6. Step 6: Final answer
    x = 1,977,236.25

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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.