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Finding the Third Proportional to 27,780,446 and 59,827,722

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Solution

The third proportional to 27,780,446 and 59,827,722 is: 128,844,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780,446 : 59,827,722 = 59,827,722 : x
  2. Step 2: Convert to fraction form
    27,780,446/59,827,722 = 59,827,722/x
  3. Step 3: Cross multiply
    27,780,446x = 59,827,722 × 59,827,722
  4. Step 4: Simplify right side
    27,780,446x = 3,579,356,319,709,284
  5. Step 5: Solve for x
    x = 3,579,356,319,709,284/27,780,446
  6. Step 6: Final answer
    x = 128,844,451.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.