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Finding the Third Proportional to 388,974 and 568,557

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Solution

The third proportional to 388,974 and 568,557 is: 831,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,974 : 568,557 = 568,557 : x
  2. Step 2: Convert to fraction form
    388,974/568,557 = 568,557/x
  3. Step 3: Cross multiply
    388,974x = 568,557 × 568,557
  4. Step 4: Simplify right side
    388,974x = 323,257,062,249
  5. Step 5: Solve for x
    x = 323,257,062,249/388,974
  6. Step 6: Final answer
    x = 831,050.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.