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Finding the Third Proportional to 918,179 and 1,998,948

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Solution

The third proportional to 918,179 and 1,998,948 is: 4,351,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,179 : 1,998,948 = 1,998,948 : x
  2. Step 2: Convert to fraction form
    918,179/1,998,948 = 1,998,948/x
  3. Step 3: Cross multiply
    918,179x = 1,998,948 × 1,998,948
  4. Step 4: Simplify right side
    918,179x = 3,995,793,106,704
  5. Step 5: Solve for x
    x = 3,995,793,106,704/918,179
  6. Step 6: Final answer
    x = 4,351,867.24

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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.