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Finding the Third Proportional to 20,174,813 and 43,778,986

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Solution

The third proportional to 20,174,813 and 43,778,986 is: 94,999,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,813 : 43,778,986 = 43,778,986 : x
  2. Step 2: Convert to fraction form
    20,174,813/43,778,986 = 43,778,986/x
  3. Step 3: Cross multiply
    20,174,813x = 43,778,986 × 43,778,986
  4. Step 4: Simplify right side
    20,174,813x = 1,916,599,615,188,196
  5. Step 5: Solve for x
    x = 1,916,599,615,188,196/20,174,813
  6. Step 6: Final answer
    x = 94,999,622.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.