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Finding the Third Proportional to 239,102 and 358,190

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Solution

The third proportional to 239,102 and 358,190 is: 536,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,102 : 358,190 = 358,190 : x
  2. Step 2: Convert to fraction form
    239,102/358,190 = 358,190/x
  3. Step 3: Cross multiply
    239,102x = 358,190 × 358,190
  4. Step 4: Simplify right side
    239,102x = 128,300,076,100
  5. Step 5: Solve for x
    x = 128,300,076,100/239,102
  6. Step 6: Final answer
    x = 536,591.40

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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.