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Finding the Third Proportional to 455,157 and 993,258

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Solution

The third proportional to 455,157 and 993,258 is: 2,167,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,157 : 993,258 = 993,258 : x
  2. Step 2: Convert to fraction form
    455,157/993,258 = 993,258/x
  3. Step 3: Cross multiply
    455,157x = 993,258 × 993,258
  4. Step 4: Simplify right side
    455,157x = 986,561,454,564
  5. Step 5: Solve for x
    x = 986,561,454,564/455,157
  6. Step 6: Final answer
    x = 2,167,519.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.