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Finding the Third Proportional to 11,929,725 and 18,920,565

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Solution

The third proportional to 11,929,725 and 18,920,565 is: 30,008,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,725 : 18,920,565 = 18,920,565 : x
  2. Step 2: Convert to fraction form
    11,929,725/18,920,565 = 18,920,565/x
  3. Step 3: Cross multiply
    11,929,725x = 18,920,565 × 18,920,565
  4. Step 4: Simplify right side
    11,929,725x = 357,987,779,919,225
  5. Step 5: Solve for x
    x = 357,987,779,919,225/11,929,725
  6. Step 6: Final answer
    x = 30,008,049.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.