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Finding the Third Proportional to 2,921,664.94 and 4,366,145.21

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Solution

The third proportional to 2,921,664.94 and 4,366,145.21 is: 6,524,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,664.94 : 4,366,145.21 = 4,366,145.21 : x
  2. Step 2: Convert to fraction form
    2,921,664.94/4,366,145.21 = 4,366,145.21/x
  3. Step 3: Cross multiply
    2,921,664.94x = 4,366,145.21 × 4,366,145.21
  4. Step 4: Simplify right side
    2,921,664.94x = 19,063,224,037,103.41
  5. Step 5: Solve for x
    x = 19,063,224,037,103.41/2,921,664.94
  6. Step 6: Final answer
    x = 6,524,781.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.