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Finding the Third Proportional to 6,721,840 and 10,331,951

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Solution

The third proportional to 6,721,840 and 10,331,951 is: 15,880,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,840 : 10,331,951 = 10,331,951 : x
  2. Step 2: Convert to fraction form
    6,721,840/10,331,951 = 10,331,951/x
  3. Step 3: Cross multiply
    6,721,840x = 10,331,951 × 10,331,951
  4. Step 4: Simplify right side
    6,721,840x = 106,749,211,466,401
  5. Step 5: Solve for x
    x = 106,749,211,466,401/6,721,840
  6. Step 6: Final answer
    x = 15,880,950.97

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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.