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Finding the Third Proportional to 789,672 and 1,125,444

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Solution

The third proportional to 789,672 and 1,125,444 is: 1,603,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,672 : 1,125,444 = 1,125,444 : x
  2. Step 2: Convert to fraction form
    789,672/1,125,444 = 1,125,444/x
  3. Step 3: Cross multiply
    789,672x = 1,125,444 × 1,125,444
  4. Step 4: Simplify right side
    789,672x = 1,266,624,197,136
  5. Step 5: Solve for x
    x = 1,266,624,197,136/789,672
  6. Step 6: Final answer
    x = 1,603,987.73

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.