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Finding the Third Proportional to 7,879,191 and 17,253,060

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Solution

The third proportional to 7,879,191 and 17,253,060 is: 37,779,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,191 : 17,253,060 = 17,253,060 : x
  2. Step 2: Convert to fraction form
    7,879,191/17,253,060 = 17,253,060/x
  3. Step 3: Cross multiply
    7,879,191x = 17,253,060 × 17,253,060
  4. Step 4: Simplify right side
    7,879,191x = 297,668,079,363,600
  5. Step 5: Solve for x
    x = 297,668,079,363,600/7,879,191
  6. Step 6: Final answer
    x = 37,779,015.56

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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.