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Finding the Third Proportional to 979,735.50 and 1,440,777.38

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Solution

The third proportional to 979,735.50 and 1,440,777.38 is: 2,118,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,735.50 : 1,440,777.38 = 1,440,777.38 : x
  2. Step 2: Convert to fraction form
    979,735.50/1,440,777.38 = 1,440,777.38/x
  3. Step 3: Cross multiply
    979,735.50x = 1,440,777.38 × 1,440,777.38
  4. Step 4: Simplify right side
    979,735.50x = 2,075,839,444,311.89
  5. Step 5: Solve for x
    x = 2,075,839,444,311.89/979,735.50
  6. Step 6: Final answer
    x = 2,118,775.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.