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Finding the Third Proportional to 1,521,453 and 3,212,669.25

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Solution

The third proportional to 1,521,453 and 3,212,669.25 is: 6,783,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,453 : 3,212,669.25 = 3,212,669.25 : x
  2. Step 2: Convert to fraction form
    1,521,453/3,212,669.25 = 3,212,669.25/x
  3. Step 3: Cross multiply
    1,521,453x = 3,212,669.25 × 3,212,669.25
  4. Step 4: Simplify right side
    1,521,453x = 10,321,243,709,895.56
  5. Step 5: Solve for x
    x = 10,321,243,709,895.56/1,521,453
  6. Step 6: Final answer
    x = 6,783,807.13

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.