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Finding the Third Proportional to 257,037 and 556,974

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Solution

The third proportional to 257,037 and 556,974 is: 1,206,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,037 : 556,974 = 556,974 : x
  2. Step 2: Convert to fraction form
    257,037/556,974 = 556,974/x
  3. Step 3: Cross multiply
    257,037x = 556,974 × 556,974
  4. Step 4: Simplify right side
    257,037x = 310,220,036,676
  5. Step 5: Solve for x
    x = 310,220,036,676/257,037
  6. Step 6: Final answer
    x = 1,206,908.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.