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Finding the Third Proportional to 938,889 and 2,027,445

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Solution

The third proportional to 938,889 and 2,027,445 is: 4,378,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,889 : 2,027,445 = 2,027,445 : x
  2. Step 2: Convert to fraction form
    938,889/2,027,445 = 2,027,445/x
  3. Step 3: Cross multiply
    938,889x = 2,027,445 × 2,027,445
  4. Step 4: Simplify right side
    938,889x = 4,110,533,228,025
  5. Step 5: Solve for x
    x = 4,110,533,228,025/938,889
  6. Step 6: Final answer
    x = 4,378,082.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.