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Finding the Third Proportional to 7,069,470 and 11,212,191

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Solution

The third proportional to 7,069,470 and 11,212,191 is: 17,782,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,470 : 11,212,191 = 11,212,191 : x
  2. Step 2: Convert to fraction form
    7,069,470/11,212,191 = 11,212,191/x
  3. Step 3: Cross multiply
    7,069,470x = 11,212,191 × 11,212,191
  4. Step 4: Simplify right side
    7,069,470x = 125,713,227,020,481
  5. Step 5: Solve for x
    x = 125,713,227,020,481/7,069,470
  6. Step 6: Final answer
    x = 17,782,553.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.