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Finding the Third Proportional to 18,787,523 and 40,035,421

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Solution

The third proportional to 18,787,523 and 40,035,421 is: 85,313,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787,523 : 40,035,421 = 40,035,421 : x
  2. Step 2: Convert to fraction form
    18,787,523/40,035,421 = 40,035,421/x
  3. Step 3: Cross multiply
    18,787,523x = 40,035,421 × 40,035,421
  4. Step 4: Simplify right side
    18,787,523x = 1,602,834,934,647,241
  5. Step 5: Solve for x
    x = 1,602,834,934,647,241/18,787,523
  6. Step 6: Final answer
    x = 85,313,797.60

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.