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Finding the Third Proportional to 3,428,454 and 7,372,877

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Solution

The third proportional to 3,428,454 and 7,372,877 is: 15,855,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,454 : 7,372,877 = 7,372,877 : x
  2. Step 2: Convert to fraction form
    3,428,454/7,372,877 = 7,372,877/x
  3. Step 3: Cross multiply
    3,428,454x = 7,372,877 × 7,372,877
  4. Step 4: Simplify right side
    3,428,454x = 54,359,315,257,129
  5. Step 5: Solve for x
    x = 54,359,315,257,129/3,428,454
  6. Step 6: Final answer
    x = 15,855,343.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.