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Finding the Third Proportional to 3,660,190 and 5,280,309

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Solution

The third proportional to 3,660,190 and 5,280,309 is: 7,617,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660,190 : 5,280,309 = 5,280,309 : x
  2. Step 2: Convert to fraction form
    3,660,190/5,280,309 = 5,280,309/x
  3. Step 3: Cross multiply
    3,660,190x = 5,280,309 × 5,280,309
  4. Step 4: Simplify right side
    3,660,190x = 27,881,663,135,481
  5. Step 5: Solve for x
    x = 27,881,663,135,481/3,660,190
  6. Step 6: Final answer
    x = 7,617,545.30

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.