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Finding the Third Proportional to 16,828,968 and 36,861,345

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Solution

The third proportional to 16,828,968 and 36,861,345 is: 80,739,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828,968 : 36,861,345 = 36,861,345 : x
  2. Step 2: Convert to fraction form
    16,828,968/36,861,345 = 36,861,345/x
  3. Step 3: Cross multiply
    16,828,968x = 36,861,345 × 36,861,345
  4. Step 4: Simplify right side
    16,828,968x = 1,358,758,755,209,025
  5. Step 5: Solve for x
    x = 1,358,758,755,209,025/16,828,968
  6. Step 6: Final answer
    x = 80,739,279.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.