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Finding the Third Proportional to 630,738 and 979,326

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Solution

The third proportional to 630,738 and 979,326 is: 1,520,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,738 : 979,326 = 979,326 : x
  2. Step 2: Convert to fraction form
    630,738/979,326 = 979,326/x
  3. Step 3: Cross multiply
    630,738x = 979,326 × 979,326
  4. Step 4: Simplify right side
    630,738x = 959,079,414,276
  5. Step 5: Solve for x
    x = 959,079,414,276/630,738
  6. Step 6: Final answer
    x = 1,520,567.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.