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Finding the Third Proportional to 13,210,508 and 18,603,390

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Solution

The third proportional to 13,210,508 and 18,603,390 is: 26,197,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,508 : 18,603,390 = 18,603,390 : x
  2. Step 2: Convert to fraction form
    13,210,508/18,603,390 = 18,603,390/x
  3. Step 3: Cross multiply
    13,210,508x = 18,603,390 × 18,603,390
  4. Step 4: Simplify right side
    13,210,508x = 346,086,119,492,100
  5. Step 5: Solve for x
    x = 346,086,119,492,100/13,210,508
  6. Step 6: Final answer
    x = 26,197,790.39

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.