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Finding the Third Proportional to 410,553 and 614,178

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Solution

The third proportional to 410,553 and 614,178 is: 918,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,553 : 614,178 = 614,178 : x
  2. Step 2: Convert to fraction form
    410,553/614,178 = 614,178/x
  3. Step 3: Cross multiply
    410,553x = 614,178 × 614,178
  4. Step 4: Simplify right side
    410,553x = 377,214,615,684
  5. Step 5: Solve for x
    x = 377,214,615,684/410,553
  6. Step 6: Final answer
    x = 918,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.