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Finding the Third Proportional to 147,631.50 and 229,225.50

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Solution

The third proportional to 147,631.50 and 229,225.50 is: 355,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631.50 : 229,225.50 = 229,225.50 : x
  2. Step 2: Convert to fraction form
    147,631.50/229,225.50 = 229,225.50/x
  3. Step 3: Cross multiply
    147,631.50x = 229,225.50 × 229,225.50
  4. Step 4: Simplify right side
    147,631.50x = 52,544,329,850.25
  5. Step 5: Solve for x
    x = 52,544,329,850.25/147,631.50
  6. Step 6: Final answer
    x = 355,915.44

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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.