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Finding the Third Proportional to 305,929.50 and 662,700

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Solution

The third proportional to 305,929.50 and 662,700 is: 1,435,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,929.50 : 662,700 = 662,700 : x
  2. Step 2: Convert to fraction form
    305,929.50/662,700 = 662,700/x
  3. Step 3: Cross multiply
    305,929.50x = 662,700 × 662,700
  4. Step 4: Simplify right side
    305,929.50x = 439,171,290,000
  5. Step 5: Solve for x
    x = 439,171,290,000/305,929.50
  6. Step 6: Final answer
    x = 1,435,531.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.