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Finding the Third Proportional to 13,555,490 and 29,840,356

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Solution

The third proportional to 13,555,490 and 29,840,356 is: 65,689,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,490 : 29,840,356 = 29,840,356 : x
  2. Step 2: Convert to fraction form
    13,555,490/29,840,356 = 29,840,356/x
  3. Step 3: Cross multiply
    13,555,490x = 29,840,356 × 29,840,356
  4. Step 4: Simplify right side
    13,555,490x = 890,446,846,206,736
  5. Step 5: Solve for x
    x = 890,446,846,206,736/13,555,490
  6. Step 6: Final answer
    x = 65,689,019.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.