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Finding the Third Proportional to 13,215,510 and 18,610,631

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Solution

The third proportional to 13,215,510 and 18,610,631 is: 26,208,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,510 : 18,610,631 = 18,610,631 : x
  2. Step 2: Convert to fraction form
    13,215,510/18,610,631 = 18,610,631/x
  3. Step 3: Cross multiply
    13,215,510x = 18,610,631 × 18,610,631
  4. Step 4: Simplify right side
    13,215,510x = 346,355,586,218,161
  5. Step 5: Solve for x
    x = 346,355,586,218,161/13,215,510
  6. Step 6: Final answer
    x = 26,208,264.85

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.