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Finding the Third Proportional to 15,603,634 and 20,704,354

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Solution

The third proportional to 15,603,634 and 20,704,354 is: 27,472,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603,634 : 20,704,354 = 20,704,354 : x
  2. Step 2: Convert to fraction form
    15,603,634/20,704,354 = 20,704,354/x
  3. Step 3: Cross multiply
    15,603,634x = 20,704,354 × 20,704,354
  4. Step 4: Simplify right side
    15,603,634x = 428,670,274,557,316
  5. Step 5: Solve for x
    x = 428,670,274,557,316/15,603,634
  6. Step 6: Final answer
    x = 27,472,464.08

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.