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Finding the Third Proportional to 31,916,186 and 70,208,692

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Solution

The third proportional to 31,916,186 and 70,208,692 is: 154,443,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916,186 : 70,208,692 = 70,208,692 : x
  2. Step 2: Convert to fraction form
    31,916,186/70,208,692 = 70,208,692/x
  3. Step 3: Cross multiply
    31,916,186x = 70,208,692 × 70,208,692
  4. Step 4: Simplify right side
    31,916,186x = 4,929,260,432,350,864
  5. Step 5: Solve for x
    x = 4,929,260,432,350,864/31,916,186
  6. Step 6: Final answer
    x = 154,443,906.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.