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Finding the Third Proportional to 622,603.13 and 938,256.75

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Solution

The third proportional to 622,603.13 and 938,256.75 is: 1,413,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,603.13 : 938,256.75 = 938,256.75 : x
  2. Step 2: Convert to fraction form
    622,603.13/938,256.75 = 938,256.75/x
  3. Step 3: Cross multiply
    622,603.13x = 938,256.75 × 938,256.75
  4. Step 4: Simplify right side
    622,603.13x = 880,325,728,920.56
  5. Step 5: Solve for x
    x = 880,325,728,920.56/622,603.13
  6. Step 6: Final answer
    x = 1,413,943.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.