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Finding the Third Proportional to 4,889,487 and 10,620,405

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Solution

The third proportional to 4,889,487 and 10,620,405 is: 23,068,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,487 : 10,620,405 = 10,620,405 : x
  2. Step 2: Convert to fraction form
    4,889,487/10,620,405 = 10,620,405/x
  3. Step 3: Cross multiply
    4,889,487x = 10,620,405 × 10,620,405
  4. Step 4: Simplify right side
    4,889,487x = 112,793,002,364,025
  5. Step 5: Solve for x
    x = 112,793,002,364,025/4,889,487
  6. Step 6: Final answer
    x = 23,068,473.72

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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.