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Finding the Third Proportional to 6,918,992 and 15,141,240

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Solution

The third proportional to 6,918,992 and 15,141,240 is: 33,134,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,992 : 15,141,240 = 15,141,240 : x
  2. Step 2: Convert to fraction form
    6,918,992/15,141,240 = 15,141,240/x
  3. Step 3: Cross multiply
    6,918,992x = 15,141,240 × 15,141,240
  4. Step 4: Simplify right side
    6,918,992x = 229,257,148,737,600
  5. Step 5: Solve for x
    x = 229,257,148,737,600/6,918,992
  6. Step 6: Final answer
    x = 33,134,472.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.