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Finding the Third Proportional to 28,107,753.75 and 67,712,712.75

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Solution

The third proportional to 28,107,753.75 and 67,712,712.75 is: 163,122,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,753.75 : 67,712,712.75 = 67,712,712.75 : x
  2. Step 2: Convert to fraction form
    28,107,753.75/67,712,712.75 = 67,712,712.75/x
  3. Step 3: Cross multiply
    28,107,753.75x = 67,712,712.75 × 67,712,712.75
  4. Step 4: Simplify right side
    28,107,753.75x = 4,585,011,467,964,013
  5. Step 5: Solve for x
    x = 4,585,011,467,964,013/28,107,753.75
  6. Step 6: Final answer
    x = 163,122,656.79

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.