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Finding the Third Proportional to 190,108 and 294,330

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Solution

The third proportional to 190,108 and 294,330 is: 455,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,108 : 294,330 = 294,330 : x
  2. Step 2: Convert to fraction form
    190,108/294,330 = 294,330/x
  3. Step 3: Cross multiply
    190,108x = 294,330 × 294,330
  4. Step 4: Simplify right side
    190,108x = 86,630,148,900
  5. Step 5: Solve for x
    x = 86,630,148,900/190,108
  6. Step 6: Final answer
    x = 455,689.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.