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Finding the Third Proportional to 637,836 and 986,994

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Solution

The third proportional to 637,836 and 986,994 is: 1,527,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,836 : 986,994 = 986,994 : x
  2. Step 2: Convert to fraction form
    637,836/986,994 = 986,994/x
  3. Step 3: Cross multiply
    637,836x = 986,994 × 986,994
  4. Step 4: Simplify right side
    637,836x = 974,157,156,036
  5. Step 5: Solve for x
    x = 974,157,156,036/637,836
  6. Step 6: Final answer
    x = 1,527,284.69

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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.