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Finding the Third Proportional to 18,331,983 and 40,189,410

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Solution

The third proportional to 18,331,983 and 40,189,410 is: 88,107,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,983 : 40,189,410 = 40,189,410 : x
  2. Step 2: Convert to fraction form
    18,331,983/40,189,410 = 40,189,410/x
  3. Step 3: Cross multiply
    18,331,983x = 40,189,410 × 40,189,410
  4. Step 4: Simplify right side
    18,331,983x = 1,615,188,676,148,100
  5. Step 5: Solve for x
    x = 1,615,188,676,148,100/18,331,983
  6. Step 6: Final answer
    x = 88,107,690.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.