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Finding the Third Proportional to 233,604 and 313,900

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Solution

The third proportional to 233,604 and 313,900 is: 421,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,604 : 313,900 = 313,900 : x
  2. Step 2: Convert to fraction form
    233,604/313,900 = 313,900/x
  3. Step 3: Cross multiply
    233,604x = 313,900 × 313,900
  4. Step 4: Simplify right side
    233,604x = 98,533,210,000
  5. Step 5: Solve for x
    x = 98,533,210,000/233,604
  6. Step 6: Final answer
    x = 421,795.90

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.