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Finding the Third Proportional to 2,128,167 and 4,728,645

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Solution

The third proportional to 2,128,167 and 4,728,645 is: 10,506,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,167 : 4,728,645 = 4,728,645 : x
  2. Step 2: Convert to fraction form
    2,128,167/4,728,645 = 4,728,645/x
  3. Step 3: Cross multiply
    2,128,167x = 4,728,645 × 4,728,645
  4. Step 4: Simplify right side
    2,128,167x = 22,360,083,536,025
  5. Step 5: Solve for x
    x = 22,360,083,536,025/2,128,167
  6. Step 6: Final answer
    x = 10,506,733.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.