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Finding the Third Proportional to 1,244,539.69 and 1,878,188.77

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Solution

The third proportional to 1,244,539.69 and 1,878,188.77 is: 2,834,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,539.69 : 1,878,188.77 = 1,878,188.77 : x
  2. Step 2: Convert to fraction form
    1,244,539.69/1,878,188.77 = 1,878,188.77/x
  3. Step 3: Cross multiply
    1,244,539.69x = 1,878,188.77 × 1,878,188.77
  4. Step 4: Simplify right side
    1,244,539.69x = 3,527,593,039,319.96
  5. Step 5: Solve for x
    x = 3,527,593,039,319.96/1,244,539.69
  6. Step 6: Final answer
    x = 2,834,456.04

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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.