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Finding the Third Proportional to 18,016,308 and 27,920,322

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Solution

The third proportional to 18,016,308 and 27,920,322 is: 43,268,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016,308 : 27,920,322 = 27,920,322 : x
  2. Step 2: Convert to fraction form
    18,016,308/27,920,322 = 27,920,322/x
  3. Step 3: Cross multiply
    18,016,308x = 27,920,322 × 27,920,322
  4. Step 4: Simplify right side
    18,016,308x = 779,544,380,583,684
  5. Step 5: Solve for x
    x = 779,544,380,583,684/18,016,308
  6. Step 6: Final answer
    x = 43,268,819.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.