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Finding the Third Proportional to 987,232 and 2,136,379

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Solution

The third proportional to 987,232 and 2,136,379 is: 4,623,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,232 : 2,136,379 = 2,136,379 : x
  2. Step 2: Convert to fraction form
    987,232/2,136,379 = 2,136,379/x
  3. Step 3: Cross multiply
    987,232x = 2,136,379 × 2,136,379
  4. Step 4: Simplify right side
    987,232x = 4,564,115,231,641
  5. Step 5: Solve for x
    x = 4,564,115,231,641/987,232
  6. Step 6: Final answer
    x = 4,623,143.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.