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Finding the Third Proportional to 20,180,980 and 31,308,055

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Solution

The third proportional to 20,180,980 and 31,308,055 is: 48,570,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,980 : 31,308,055 = 31,308,055 : x
  2. Step 2: Convert to fraction form
    20,180,980/31,308,055 = 31,308,055/x
  3. Step 3: Cross multiply
    20,180,980x = 31,308,055 × 31,308,055
  4. Step 4: Simplify right side
    20,180,980x = 980,194,307,883,025
  5. Step 5: Solve for x
    x = 980,194,307,883,025/20,180,980
  6. Step 6: Final answer
    x = 48,570,203.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.