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Finding the Third Proportional to 366,929 and 788,113

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Solution

The third proportional to 366,929 and 788,113 is: 1,692,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,929 : 788,113 = 788,113 : x
  2. Step 2: Convert to fraction form
    366,929/788,113 = 788,113/x
  3. Step 3: Cross multiply
    366,929x = 788,113 × 788,113
  4. Step 4: Simplify right side
    366,929x = 621,122,100,769
  5. Step 5: Solve for x
    x = 621,122,100,769/366,929
  6. Step 6: Final answer
    x = 1,692,758.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.