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Finding the Third Proportional to 10,661,500 and 15,194,777

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Solution

The third proportional to 10,661,500 and 15,194,777 is: 21,655,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,500 : 15,194,777 = 15,194,777 : x
  2. Step 2: Convert to fraction form
    10,661,500/15,194,777 = 15,194,777/x
  3. Step 3: Cross multiply
    10,661,500x = 15,194,777 × 15,194,777
  4. Step 4: Simplify right side
    10,661,500x = 230,881,248,079,729
  5. Step 5: Solve for x
    x = 230,881,248,079,729/10,661,500
  6. Step 6: Final answer
    x = 21,655,606.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.