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Finding the Third Proportional to 45,278,981 and 70,608,889

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Solution

The third proportional to 45,278,981 and 70,608,889 is: 110,108,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278,981 : 70,608,889 = 70,608,889 : x
  2. Step 2: Convert to fraction form
    45,278,981/70,608,889 = 70,608,889/x
  3. Step 3: Cross multiply
    45,278,981x = 70,608,889 × 70,608,889
  4. Step 4: Simplify right side
    45,278,981x = 4,985,615,205,814,321
  5. Step 5: Solve for x
    x = 4,985,615,205,814,321/45,278,981
  6. Step 6: Final answer
    x = 110,108,820.82

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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.