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Finding the Third Proportional to 1,122,339.38 and 1,643,712.75

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Solution

The third proportional to 1,122,339.38 and 1,643,712.75 is: 2,407,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,339.38 : 1,643,712.75 = 1,643,712.75 : x
  2. Step 2: Convert to fraction form
    1,122,339.38/1,643,712.75 = 1,643,712.75/x
  3. Step 3: Cross multiply
    1,122,339.38x = 1,643,712.75 × 1,643,712.75
  4. Step 4: Simplify right side
    1,122,339.38x = 2,701,791,604,512.56
  5. Step 5: Solve for x
    x = 2,701,791,604,512.56/1,122,339.38
  6. Step 6: Final answer
    x = 2,407,285.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.