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Finding the Third Proportional to 15,603,570 and 20,704,284

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Solution

The third proportional to 15,603,570 and 20,704,284 is: 27,472,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603,570 : 20,704,284 = 20,704,284 : x
  2. Step 2: Convert to fraction form
    15,603,570/20,704,284 = 20,704,284/x
  3. Step 3: Cross multiply
    15,603,570x = 20,704,284 × 20,704,284
  4. Step 4: Simplify right side
    15,603,570x = 428,667,375,952,656
  5. Step 5: Solve for x
    x = 428,667,375,952,656/15,603,570
  6. Step 6: Final answer
    x = 27,472,390.99

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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.