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Finding the Third Proportional to 640,557.75 and 941,559.75

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Solution

The third proportional to 640,557.75 and 941,559.75 is: 1,384,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,557.75 : 941,559.75 = 941,559.75 : x
  2. Step 2: Convert to fraction form
    640,557.75/941,559.75 = 941,559.75/x
  3. Step 3: Cross multiply
    640,557.75x = 941,559.75 × 941,559.75
  4. Step 4: Simplify right side
    640,557.75x = 886,534,762,820.06
  5. Step 5: Solve for x
    x = 886,534,762,820.06/640,557.75
  6. Step 6: Final answer
    x = 1,384,004.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.