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Finding the Third Proportional to 154,952 and 235,515

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Solution

The third proportional to 154,952 and 235,515 is: 357,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,952 : 235,515 = 235,515 : x
  2. Step 2: Convert to fraction form
    154,952/235,515 = 235,515/x
  3. Step 3: Cross multiply
    154,952x = 235,515 × 235,515
  4. Step 4: Simplify right side
    154,952x = 55,467,315,225
  5. Step 5: Solve for x
    x = 55,467,315,225/154,952
  6. Step 6: Final answer
    x = 357,964.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.