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Finding the Third Proportional to 4,130,369 and 8,947,195

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Solution

The third proportional to 4,130,369 and 8,947,195 is: 19,381,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,369 : 8,947,195 = 8,947,195 : x
  2. Step 2: Convert to fraction form
    4,130,369/8,947,195 = 8,947,195/x
  3. Step 3: Cross multiply
    4,130,369x = 8,947,195 × 8,947,195
  4. Step 4: Simplify right side
    4,130,369x = 80,052,298,368,025
  5. Step 5: Solve for x
    x = 80,052,298,368,025/4,130,369
  6. Step 6: Final answer
    x = 19,381,391.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.