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Finding the Third Proportional to 5,541,057,153 and 8,587,112,971.50

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Solution

The third proportional to 5,541,057,153 and 8,587,112,971.50 is: 13,307,660,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541,057,153 : 8,587,112,971.50 = 8,587,112,971.50 : x
  2. Step 2: Convert to fraction form
    5,541,057,153/8,587,112,971.50 = 8,587,112,971.50/x
  3. Step 3: Cross multiply
    5,541,057,153x = 8,587,112,971.50 × 8,587,112,971.50
  4. Step 4: Simplify right side
    5,541,057,153x = 73,738,509,185,303,560,192
  5. Step 5: Solve for x
    x = 73,738,509,185,303,560,192/5,541,057,153
  6. Step 6: Final answer
    x = 13,307,660,821.61

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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.