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Finding the Third Proportional to 366,929 and 788,111

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Solution

The third proportional to 366,929 and 788,111 is: 1,692,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,929 : 788,111 = 788,111 : x
  2. Step 2: Convert to fraction form
    366,929/788,111 = 788,111/x
  3. Step 3: Cross multiply
    366,929x = 788,111 × 788,111
  4. Step 4: Simplify right side
    366,929x = 621,118,948,321
  5. Step 5: Solve for x
    x = 621,118,948,321/366,929
  6. Step 6: Final answer
    x = 1,692,749.68

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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.