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Finding the Third Proportional to 159,476 and 239,220

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Solution

The third proportional to 159,476 and 239,220 is: 358,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,476 : 239,220 = 239,220 : x
  2. Step 2: Convert to fraction form
    159,476/239,220 = 239,220/x
  3. Step 3: Cross multiply
    159,476x = 239,220 × 239,220
  4. Step 4: Simplify right side
    159,476x = 57,226,208,400
  5. Step 5: Solve for x
    x = 57,226,208,400/159,476
  6. Step 6: Final answer
    x = 358,839.00

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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.