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Finding the Third Proportional to 692,939 and 1,036,583

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Solution

The third proportional to 692,939 and 1,036,583 is: 1,550,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,939 : 1,036,583 = 1,036,583 : x
  2. Step 2: Convert to fraction form
    692,939/1,036,583 = 1,036,583/x
  3. Step 3: Cross multiply
    692,939x = 1,036,583 × 1,036,583
  4. Step 4: Simplify right side
    692,939x = 1,074,504,315,889
  5. Step 5: Solve for x
    x = 1,074,504,315,889/692,939
  6. Step 6: Final answer
    x = 1,550,647.77

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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.