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Finding the Third Proportional to 701,860 and 977,900

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Solution

The third proportional to 701,860 and 977,900 is: 1,362,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,860 : 977,900 = 977,900 : x
  2. Step 2: Convert to fraction form
    701,860/977,900 = 977,900/x
  3. Step 3: Cross multiply
    701,860x = 977,900 × 977,900
  4. Step 4: Simplify right side
    701,860x = 956,288,410,000
  5. Step 5: Solve for x
    x = 956,288,410,000/701,860
  6. Step 6: Final answer
    x = 1,362,505.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.