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Finding the Third Proportional to 55,508,626 and 81,369,438

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Solution

The third proportional to 55,508,626 and 81,369,438 is: 119,278,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,626 : 81,369,438 = 81,369,438 : x
  2. Step 2: Convert to fraction form
    55,508,626/81,369,438 = 81,369,438/x
  3. Step 3: Cross multiply
    55,508,626x = 81,369,438 × 81,369,438
  4. Step 4: Simplify right side
    55,508,626x = 6,620,985,440,435,844
  5. Step 5: Solve for x
    x = 6,620,985,440,435,844/55,508,626
  6. Step 6: Final answer
    x = 119,278,496.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.