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Finding the Third Proportional to 367,091 and 778,246

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Solution

The third proportional to 367,091 and 778,246 is: 1,649,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,091 : 778,246 = 778,246 : x
  2. Step 2: Convert to fraction form
    367,091/778,246 = 778,246/x
  3. Step 3: Cross multiply
    367,091x = 778,246 × 778,246
  4. Step 4: Simplify right side
    367,091x = 605,666,836,516
  5. Step 5: Solve for x
    x = 605,666,836,516/367,091
  6. Step 6: Final answer
    x = 1,649,909.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.