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Finding the Third Proportional to 616,840 and 967,860

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Solution

The third proportional to 616,840 and 967,860 is: 1,518,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,840 : 967,860 = 967,860 : x
  2. Step 2: Convert to fraction form
    616,840/967,860 = 967,860/x
  3. Step 3: Cross multiply
    616,840x = 967,860 × 967,860
  4. Step 4: Simplify right side
    616,840x = 936,752,979,600
  5. Step 5: Solve for x
    x = 936,752,979,600/616,840
  6. Step 6: Final answer
    x = 1,518,632.03

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.