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Finding the Third Proportional to 7,516,328 and 11,619,912

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Solution

The third proportional to 7,516,328 and 11,619,912 is: 17,963,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,328 : 11,619,912 = 11,619,912 : x
  2. Step 2: Convert to fraction form
    7,516,328/11,619,912 = 11,619,912/x
  3. Step 3: Cross multiply
    7,516,328x = 11,619,912 × 11,619,912
  4. Step 4: Simplify right side
    7,516,328x = 135,022,354,887,744
  5. Step 5: Solve for x
    x = 135,022,354,887,744/7,516,328
  6. Step 6: Final answer
    x = 17,963,872.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.