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Finding the Third Proportional to 11,666,650 and 18,259,863

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Solution

The third proportional to 11,666,650 and 18,259,863 is: 28,579,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,650 : 18,259,863 = 18,259,863 : x
  2. Step 2: Convert to fraction form
    11,666,650/18,259,863 = 18,259,863/x
  3. Step 3: Cross multiply
    11,666,650x = 18,259,863 × 18,259,863
  4. Step 4: Simplify right side
    11,666,650x = 333,422,596,778,769
  5. Step 5: Solve for x
    x = 333,422,596,778,769/11,666,650
  6. Step 6: Final answer
    x = 28,579,120.55

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.