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Finding the Third Proportional to 425,890 and 938,197

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Solution

The third proportional to 425,890 and 938,197 is: 2,066,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,890 : 938,197 = 938,197 : x
  2. Step 2: Convert to fraction form
    425,890/938,197 = 938,197/x
  3. Step 3: Cross multiply
    425,890x = 938,197 × 938,197
  4. Step 4: Simplify right side
    425,890x = 880,213,610,809
  5. Step 5: Solve for x
    x = 880,213,610,809/425,890
  6. Step 6: Final answer
    x = 2,066,762.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.