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Finding the Third Proportional to 43,162,130 and 90,314,644

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Solution

The third proportional to 43,162,130 and 90,314,644 is: 188,978,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162,130 : 90,314,644 = 90,314,644 : x
  2. Step 2: Convert to fraction form
    43,162,130/90,314,644 = 90,314,644/x
  3. Step 3: Cross multiply
    43,162,130x = 90,314,644 × 90,314,644
  4. Step 4: Simplify right side
    43,162,130x = 8,156,734,920,846,736
  5. Step 5: Solve for x
    x = 8,156,734,920,846,736/43,162,130
  6. Step 6: Final answer
    x = 188,978,971.17

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.