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Finding the Third Proportional to 6,721,834 and 10,331,943

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Solution

The third proportional to 6,721,834 and 10,331,943 is: 15,880,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,834 : 10,331,943 = 10,331,943 : x
  2. Step 2: Convert to fraction form
    6,721,834/10,331,943 = 10,331,943/x
  3. Step 3: Cross multiply
    6,721,834x = 10,331,943 × 10,331,943
  4. Step 4: Simplify right side
    6,721,834x = 106,749,046,155,249
  5. Step 5: Solve for x
    x = 106,749,046,155,249/6,721,834
  6. Step 6: Final answer
    x = 15,880,940.55

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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.