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Finding the Third Proportional to 455,036 and 988,806

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Solution

The third proportional to 455,036 and 988,806 is: 2,148,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,036 : 988,806 = 988,806 : x
  2. Step 2: Convert to fraction form
    455,036/988,806 = 988,806/x
  3. Step 3: Cross multiply
    455,036x = 988,806 × 988,806
  4. Step 4: Simplify right side
    455,036x = 977,737,305,636
  5. Step 5: Solve for x
    x = 977,737,305,636/455,036
  6. Step 6: Final answer
    x = 2,148,703.19

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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.