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Finding the Third Proportional to 13,120,086 and 18,085,779

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Solution

The third proportional to 13,120,086 and 18,085,779 is: 24,930,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,086 : 18,085,779 = 18,085,779 : x
  2. Step 2: Convert to fraction form
    13,120,086/18,085,779 = 18,085,779/x
  3. Step 3: Cross multiply
    13,120,086x = 18,085,779 × 18,085,779
  4. Step 4: Simplify right side
    13,120,086x = 327,095,402,036,841
  5. Step 5: Solve for x
    x = 327,095,402,036,841/13,120,086
  6. Step 6: Final answer
    x = 24,930,888.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.