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Finding the Third Proportional to 2,660,100.94 and 4,127,378.91

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Solution

The third proportional to 2,660,100.94 and 4,127,378.91 is: 6,403,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,100.94 : 4,127,378.91 = 4,127,378.91 : x
  2. Step 2: Convert to fraction form
    2,660,100.94/4,127,378.91 = 4,127,378.91/x
  3. Step 3: Cross multiply
    2,660,100.94x = 4,127,378.91 × 4,127,378.91
  4. Step 4: Simplify right side
    2,660,100.94x = 17,035,256,635,757.45
  5. Step 5: Solve for x
    x = 17,035,256,635,757.45/2,660,100.94
  6. Step 6: Final answer
    x = 6,403,988.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.