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Finding the Third Proportional to 708,771 and 1,515,894

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Solution

The third proportional to 708,771 and 1,515,894 is: 3,242,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,771 : 1,515,894 = 1,515,894 : x
  2. Step 2: Convert to fraction form
    708,771/1,515,894 = 1,515,894/x
  3. Step 3: Cross multiply
    708,771x = 1,515,894 × 1,515,894
  4. Step 4: Simplify right side
    708,771x = 2,297,934,619,236
  5. Step 5: Solve for x
    x = 2,297,934,619,236/708,771
  6. Step 6: Final answer
    x = 3,242,139.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.