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Finding the Third Proportional to 366,918 and 788,080

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Solution

The third proportional to 366,918 and 788,080 is: 1,692,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918 : 788,080 = 788,080 : x
  2. Step 2: Convert to fraction form
    366,918/788,080 = 788,080/x
  3. Step 3: Cross multiply
    366,918x = 788,080 × 788,080
  4. Step 4: Simplify right side
    366,918x = 621,070,086,400
  5. Step 5: Solve for x
    x = 621,070,086,400/366,918
  6. Step 6: Final answer
    x = 1,692,667.26

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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.