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Finding the Third Proportional to 6,721,835 and 10,331,945

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Solution

The third proportional to 6,721,835 and 10,331,945 is: 15,880,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,835 : 10,331,945 = 10,331,945 : x
  2. Step 2: Convert to fraction form
    6,721,835/10,331,945 = 10,331,945/x
  3. Step 3: Cross multiply
    6,721,835x = 10,331,945 × 10,331,945
  4. Step 4: Simplify right side
    6,721,835x = 106,749,087,483,025
  5. Step 5: Solve for x
    x = 106,749,087,483,025/6,721,835
  6. Step 6: Final answer
    x = 15,880,944.34

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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.