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Finding the Third Proportional to 7,172,340 and 10,779,531

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Solution

The third proportional to 7,172,340 and 10,779,531 is: 16,200,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,340 : 10,779,531 = 10,779,531 : x
  2. Step 2: Convert to fraction form
    7,172,340/10,779,531 = 10,779,531/x
  3. Step 3: Cross multiply
    7,172,340x = 10,779,531 × 10,779,531
  4. Step 4: Simplify right side
    7,172,340x = 116,198,288,579,961
  5. Step 5: Solve for x
    x = 116,198,288,579,961/7,172,340
  6. Step 6: Final answer
    x = 16,200,889.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.