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Finding the Third Proportional to 331,432,436 and 498,532,390

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Solution

The third proportional to 331,432,436 and 498,532,390 is: 749,879,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,432,436 : 498,532,390 = 498,532,390 : x
  2. Step 2: Convert to fraction form
    331,432,436/498,532,390 = 498,532,390/x
  3. Step 3: Cross multiply
    331,432,436x = 498,532,390 × 498,532,390
  4. Step 4: Simplify right side
    331,432,436x = 248,534,543,879,112,096
  5. Step 5: Solve for x
    x = 248,534,543,879,112,096/331,432,436
  6. Step 6: Final answer
    x = 749,879,966.12

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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.