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Finding the Third Proportional to 3,389,371 and 5,236,709

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Solution

The third proportional to 3,389,371 and 5,236,709 is: 8,090,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,371 : 5,236,709 = 5,236,709 : x
  2. Step 2: Convert to fraction form
    3,389,371/5,236,709 = 5,236,709/x
  3. Step 3: Cross multiply
    3,389,371x = 5,236,709 × 5,236,709
  4. Step 4: Simplify right side
    3,389,371x = 27,423,121,150,681
  5. Step 5: Solve for x
    x = 27,423,121,150,681/3,389,371
  6. Step 6: Final answer
    x = 8,090,917.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.