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Finding the Third Proportional to 2,021,356.69 and 4,408,529.63

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Solution

The third proportional to 2,021,356.69 and 4,408,529.63 is: 9,614,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,356.69 : 4,408,529.63 = 4,408,529.63 : x
  2. Step 2: Convert to fraction form
    2,021,356.69/4,408,529.63 = 4,408,529.63/x
  3. Step 3: Cross multiply
    2,021,356.69x = 4,408,529.63 × 4,408,529.63
  4. Step 4: Simplify right side
    2,021,356.69x = 19,435,133,454,502.64
  5. Step 5: Solve for x
    x = 19,435,133,454,502.64/2,021,356.69
  6. Step 6: Final answer
    x = 9,614,895.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.