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Finding the Third Proportional to 42,331,198 and 61,862,754

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Solution

The third proportional to 42,331,198 and 61,862,754 is: 90,406,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331,198 : 61,862,754 = 61,862,754 : x
  2. Step 2: Convert to fraction form
    42,331,198/61,862,754 = 61,862,754/x
  3. Step 3: Cross multiply
    42,331,198x = 61,862,754 × 61,862,754
  4. Step 4: Simplify right side
    42,331,198x = 3,827,000,332,464,516
  5. Step 5: Solve for x
    x = 3,827,000,332,464,516/42,331,198
  6. Step 6: Final answer
    x = 90,406,142.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.