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Finding the Third Proportional to 644,210 and 1,455,450

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Solution

The third proportional to 644,210 and 1,455,450 is: 3,288,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,210 : 1,455,450 = 1,455,450 : x
  2. Step 2: Convert to fraction form
    644,210/1,455,450 = 1,455,450/x
  3. Step 3: Cross multiply
    644,210x = 1,455,450 × 1,455,450
  4. Step 4: Simplify right side
    644,210x = 2,118,334,702,500
  5. Step 5: Solve for x
    x = 2,118,334,702,500/644,210
  6. Step 6: Final answer
    x = 3,288,267.34

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.