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Finding the Third Proportional to 124,794,807 and 278,267,754

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Solution

The third proportional to 124,794,807 and 278,267,754 is: 620,482,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,794,807 : 278,267,754 = 278,267,754 : x
  2. Step 2: Convert to fraction form
    124,794,807/278,267,754 = 278,267,754/x
  3. Step 3: Cross multiply
    124,794,807x = 278,267,754 × 278,267,754
  4. Step 4: Simplify right side
    124,794,807x = 77,432,942,916,204,512
  5. Step 5: Solve for x
    x = 77,432,942,916,204,512/124,794,807
  6. Step 6: Final answer
    x = 620,482,091.98

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.