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Finding the Third Proportional to 12,770,616 and 19,827,446

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Solution

The third proportional to 12,770,616 and 19,827,446 is: 30,783,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,616 : 19,827,446 = 19,827,446 : x
  2. Step 2: Convert to fraction form
    12,770,616/19,827,446 = 19,827,446/x
  3. Step 3: Cross multiply
    12,770,616x = 19,827,446 × 19,827,446
  4. Step 4: Simplify right side
    12,770,616x = 393,127,614,882,916
  5. Step 5: Solve for x
    x = 393,127,614,882,916/12,770,616
  6. Step 6: Final answer
    x = 30,783,762.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.