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Finding the Third Proportional to 633,898 and 1,392,210

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Solution

The third proportional to 633,898 and 1,392,210 is: 3,057,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,898 : 1,392,210 = 1,392,210 : x
  2. Step 2: Convert to fraction form
    633,898/1,392,210 = 1,392,210/x
  3. Step 3: Cross multiply
    633,898x = 1,392,210 × 1,392,210
  4. Step 4: Simplify right side
    633,898x = 1,938,248,684,100
  5. Step 5: Solve for x
    x = 1,938,248,684,100/633,898
  6. Step 6: Final answer
    x = 3,057,666.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.