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Finding the Third Proportional to 145,306 and 218,104

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Solution

The third proportional to 145,306 and 218,104 is: 327,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,306 : 218,104 = 218,104 : x
  2. Step 2: Convert to fraction form
    145,306/218,104 = 218,104/x
  3. Step 3: Cross multiply
    145,306x = 218,104 × 218,104
  4. Step 4: Simplify right side
    145,306x = 47,569,354,816
  5. Step 5: Solve for x
    x = 47,569,354,816/145,306
  6. Step 6: Final answer
    x = 327,373.64

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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.