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Finding the Third Proportional to 18,711,159 and 40,309,806

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Solution

The third proportional to 18,711,159 and 40,309,806 is: 86,840,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,159 : 40,309,806 = 40,309,806 : x
  2. Step 2: Convert to fraction form
    18,711,159/40,309,806 = 40,309,806/x
  3. Step 3: Cross multiply
    18,711,159x = 40,309,806 × 40,309,806
  4. Step 4: Simplify right side
    18,711,159x = 1,624,880,459,757,636
  5. Step 5: Solve for x
    x = 1,624,880,459,757,636/18,711,159
  6. Step 6: Final answer
    x = 86,840,182.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.