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Finding the Third Proportional to 4,386,679 and 6,819,238

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Solution

The third proportional to 4,386,679 and 6,819,238 is: 10,600,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,679 : 6,819,238 = 6,819,238 : x
  2. Step 2: Convert to fraction form
    4,386,679/6,819,238 = 6,819,238/x
  3. Step 3: Cross multiply
    4,386,679x = 6,819,238 × 6,819,238
  4. Step 4: Simplify right side
    4,386,679x = 46,502,006,900,644
  5. Step 5: Solve for x
    x = 46,502,006,900,644/4,386,679
  6. Step 6: Final answer
    x = 10,600,731.65

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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.