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Finding the Third Proportional to 425,868 and 908,868

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Solution

The third proportional to 425,868 and 908,868 is: 1,939,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,868 : 908,868 = 908,868 : x
  2. Step 2: Convert to fraction form
    425,868/908,868 = 908,868/x
  3. Step 3: Cross multiply
    425,868x = 908,868 × 908,868
  4. Step 4: Simplify right side
    425,868x = 826,041,041,424
  5. Step 5: Solve for x
    x = 826,041,041,424/425,868
  6. Step 6: Final answer
    x = 1,939,664.50

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.