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Finding the Third Proportional to 16,966,047 and 36,621,738

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Solution

The third proportional to 16,966,047 and 36,621,738 is: 79,049,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966,047 : 36,621,738 = 36,621,738 : x
  2. Step 2: Convert to fraction form
    16,966,047/36,621,738 = 36,621,738/x
  3. Step 3: Cross multiply
    16,966,047x = 36,621,738 × 36,621,738
  4. Step 4: Simplify right side
    16,966,047x = 1,341,151,694,140,644
  5. Step 5: Solve for x
    x = 1,341,151,694,140,644/16,966,047
  6. Step 6: Final answer
    x = 79,049,155.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.