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Finding the Third Proportional to 34,187,607.56 and 74,858,986.69

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Solution

The third proportional to 34,187,607.56 and 74,858,986.69 is: 163,915,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187,607.56 : 74,858,986.69 = 74,858,986.69 : x
  2. Step 2: Convert to fraction form
    34,187,607.56/74,858,986.69 = 74,858,986.69/x
  3. Step 3: Cross multiply
    34,187,607.56x = 74,858,986.69 × 74,858,986.69
  4. Step 4: Simplify right side
    34,187,607.56x = 5,603,867,887,879,302
  5. Step 5: Solve for x
    x = 5,603,867,887,879,302/34,187,607.56
  6. Step 6: Final answer
    x = 163,915,181.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.