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Finding the Third Proportional to 3,311,156,408 and 7,210,178,416

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Solution

The third proportional to 3,311,156,408 and 7,210,178,416 is: 15,700,458,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,156,408 : 7,210,178,416 = 7,210,178,416 : x
  2. Step 2: Convert to fraction form
    3,311,156,408/7,210,178,416 = 7,210,178,416/x
  3. Step 3: Cross multiply
    3,311,156,408x = 7,210,178,416 × 7,210,178,416
  4. Step 4: Simplify right side
    3,311,156,408x = 51,986,672,790,552,272,896
  5. Step 5: Solve for x
    x = 51,986,672,790,552,272,896/3,311,156,408
  6. Step 6: Final answer
    x = 15,700,458,203.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.