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Finding the Third Proportional to 42,554,664 and 67,394,620

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Solution

The third proportional to 42,554,664 and 67,394,620 is: 106,734,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554,664 : 67,394,620 = 67,394,620 : x
  2. Step 2: Convert to fraction form
    42,554,664/67,394,620 = 67,394,620/x
  3. Step 3: Cross multiply
    42,554,664x = 67,394,620 × 67,394,620
  4. Step 4: Simplify right side
    42,554,664x = 4,542,034,804,944,400
  5. Step 5: Solve for x
    x = 4,542,034,804,944,400/42,554,664
  6. Step 6: Final answer
    x = 106,734,124.49

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.