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Finding the Third Proportional to 18,036,908 and 38,627,680

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Solution

The third proportional to 18,036,908 and 38,627,680 is: 82,724,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036,908 : 38,627,680 = 38,627,680 : x
  2. Step 2: Convert to fraction form
    18,036,908/38,627,680 = 38,627,680/x
  3. Step 3: Cross multiply
    18,036,908x = 38,627,680 × 38,627,680
  4. Step 4: Simplify right side
    18,036,908x = 1,492,097,662,182,400
  5. Step 5: Solve for x
    x = 1,492,097,662,182,400/18,036,908
  6. Step 6: Final answer
    x = 82,724,692.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.