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Finding the Third Proportional to 42,452,378 and 67,329,867

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Solution

The third proportional to 42,452,378 and 67,329,867 is: 106,785,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,452,378 : 67,329,867 = 67,329,867 : x
  2. Step 2: Convert to fraction form
    42,452,378/67,329,867 = 67,329,867/x
  3. Step 3: Cross multiply
    42,452,378x = 67,329,867 × 67,329,867
  4. Step 4: Simplify right side
    42,452,378x = 4,533,310,990,237,689
  5. Step 5: Solve for x
    x = 4,533,310,990,237,689/42,452,378
  6. Step 6: Final answer
    x = 106,785,796.32

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.