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Finding the Third Proportional to 12,464,739 and 18,779,121

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Solution

The third proportional to 12,464,739 and 18,779,121 is: 28,292,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,739 : 18,779,121 = 18,779,121 : x
  2. Step 2: Convert to fraction form
    12,464,739/18,779,121 = 18,779,121/x
  3. Step 3: Cross multiply
    12,464,739x = 18,779,121 × 18,779,121
  4. Step 4: Simplify right side
    12,464,739x = 352,655,385,532,641
  5. Step 5: Solve for x
    x = 352,655,385,532,641/12,464,739
  6. Step 6: Final answer
    x = 28,292,239.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.