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Finding the Third Proportional to 637,477 and 994,987

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Solution

The third proportional to 637,477 and 994,987 is: 1,552,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,477 : 994,987 = 994,987 : x
  2. Step 2: Convert to fraction form
    637,477/994,987 = 994,987/x
  3. Step 3: Cross multiply
    637,477x = 994,987 × 994,987
  4. Step 4: Simplify right side
    637,477x = 989,999,130,169
  5. Step 5: Solve for x
    x = 989,999,130,169/637,477
  6. Step 6: Final answer
    x = 1,552,995.84

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.