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Finding the Third Proportional to 3,715,889 and 5,430,453

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Solution

The third proportional to 3,715,889 and 5,430,453 is: 7,936,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715,889 : 5,430,453 = 5,430,453 : x
  2. Step 2: Convert to fraction form
    3,715,889/5,430,453 = 5,430,453/x
  3. Step 3: Cross multiply
    3,715,889x = 5,430,453 × 5,430,453
  4. Step 4: Simplify right side
    3,715,889x = 29,489,819,785,209
  5. Step 5: Solve for x
    x = 29,489,819,785,209/3,715,889
  6. Step 6: Final answer
    x = 7,936,141.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.