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Finding the Third Proportional to 938,425 and 2,009,690

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Solution

The third proportional to 938,425 and 2,009,690 is: 4,303,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,425 : 2,009,690 = 2,009,690 : x
  2. Step 2: Convert to fraction form
    938,425/2,009,690 = 2,009,690/x
  3. Step 3: Cross multiply
    938,425x = 2,009,690 × 2,009,690
  4. Step 4: Simplify right side
    938,425x = 4,038,853,896,100
  5. Step 5: Solve for x
    x = 4,038,853,896,100/938,425
  6. Step 6: Final answer
    x = 4,303,864.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.