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Finding the Third Proportional to 6,721,842 and 10,331,955

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Solution

The third proportional to 6,721,842 and 10,331,955 is: 15,880,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,842 : 10,331,955 = 10,331,955 : x
  2. Step 2: Convert to fraction form
    6,721,842/10,331,955 = 10,331,955/x
  3. Step 3: Cross multiply
    6,721,842x = 10,331,955 × 10,331,955
  4. Step 4: Simplify right side
    6,721,842x = 106,749,294,122,025
  5. Step 5: Solve for x
    x = 106,749,294,122,025/6,721,842
  6. Step 6: Final answer
    x = 15,880,958.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.