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Finding the Third Proportional to 2,908,378 and 6,221,108

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Solution

The third proportional to 2,908,378 and 6,221,108 is: 13,307,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,378 : 6,221,108 = 6,221,108 : x
  2. Step 2: Convert to fraction form
    2,908,378/6,221,108 = 6,221,108/x
  3. Step 3: Cross multiply
    2,908,378x = 6,221,108 × 6,221,108
  4. Step 4: Simplify right side
    2,908,378x = 38,702,184,747,664
  5. Step 5: Solve for x
    x = 38,702,184,747,664/2,908,378
  6. Step 6: Final answer
    x = 13,307,137.09

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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.