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Finding the Third Proportional to 426,010.50 and 918,451

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Solution

The third proportional to 426,010.50 and 918,451 is: 1,980,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,010.50 : 918,451 = 918,451 : x
  2. Step 2: Convert to fraction form
    426,010.50/918,451 = 918,451/x
  3. Step 3: Cross multiply
    426,010.50x = 918,451 × 918,451
  4. Step 4: Simplify right side
    426,010.50x = 843,552,239,401
  5. Step 5: Solve for x
    x = 843,552,239,401/426,010.50
  6. Step 6: Final answer
    x = 1,980,120.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.