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Finding the Third Proportional to 620,433 and 995,436

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Solution

The third proportional to 620,433 and 995,436 is: 1,597,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,433 : 995,436 = 995,436 : x
  2. Step 2: Convert to fraction form
    620,433/995,436 = 995,436/x
  3. Step 3: Cross multiply
    620,433x = 995,436 × 995,436
  4. Step 4: Simplify right side
    620,433x = 990,892,830,096
  5. Step 5: Solve for x
    x = 990,892,830,096/620,433
  6. Step 6: Final answer
    x = 1,597,098.85

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.