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Finding the Third Proportional to 789,549 and 1,129,083

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Solution

The third proportional to 789,549 and 1,129,083 is: 1,614,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,549 : 1,129,083 = 1,129,083 : x
  2. Step 2: Convert to fraction form
    789,549/1,129,083 = 1,129,083/x
  3. Step 3: Cross multiply
    789,549x = 1,129,083 × 1,129,083
  4. Step 4: Simplify right side
    789,549x = 1,274,828,420,889
  5. Step 5: Solve for x
    x = 1,274,828,420,889/789,549
  6. Step 6: Final answer
    x = 1,614,628.63

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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.