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Finding the Third Proportional to 43,807,128 and 68,100,090

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Solution

The third proportional to 43,807,128 and 68,100,090 is: 105,864,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807,128 : 68,100,090 = 68,100,090 : x
  2. Step 2: Convert to fraction form
    43,807,128/68,100,090 = 68,100,090/x
  3. Step 3: Cross multiply
    43,807,128x = 68,100,090 × 68,100,090
  4. Step 4: Simplify right side
    43,807,128x = 4,637,622,258,008,100
  5. Step 5: Solve for x
    x = 4,637,622,258,008,100/43,807,128
  6. Step 6: Final answer
    x = 105,864,558.34

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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.