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Finding the Third Proportional to 4,000,945 and 8,760,779

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Solution

The third proportional to 4,000,945 and 8,760,779 is: 19,183,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,945 : 8,760,779 = 8,760,779 : x
  2. Step 2: Convert to fraction form
    4,000,945/8,760,779 = 8,760,779/x
  3. Step 3: Cross multiply
    4,000,945x = 8,760,779 × 8,760,779
  4. Step 4: Simplify right side
    4,000,945x = 76,751,248,686,841
  5. Step 5: Solve for x
    x = 76,751,248,686,841/4,000,945
  6. Step 6: Final answer
    x = 19,183,280.12

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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.