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Finding the Third Proportional to 45,278,907.75 and 70,608,780

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Solution

The third proportional to 45,278,907.75 and 70,608,780 is: 110,108,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278,907.75 : 70,608,780 = 70,608,780 : x
  2. Step 2: Convert to fraction form
    45,278,907.75/70,608,780 = 70,608,780/x
  3. Step 3: Cross multiply
    45,278,907.75x = 70,608,780 × 70,608,780
  4. Step 4: Simplify right side
    45,278,907.75x = 4,985,599,813,088,400
  5. Step 5: Solve for x
    x = 4,985,599,813,088,400/45,278,907.75
  6. Step 6: Final answer
    x = 110,108,658.99

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.