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Finding the Third Proportional to 754,670.75 and 1,129,014.25

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Solution

The third proportional to 754,670.75 and 1,129,014.25 is: 1,689,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,670.75 : 1,129,014.25 = 1,129,014.25 : x
  2. Step 2: Convert to fraction form
    754,670.75/1,129,014.25 = 1,129,014.25/x
  3. Step 3: Cross multiply
    754,670.75x = 1,129,014.25 × 1,129,014.25
  4. Step 4: Simplify right side
    754,670.75x = 1,274,673,176,703.06
  5. Step 5: Solve for x
    x = 1,274,673,176,703.06/754,670.75
  6. Step 6: Final answer
    x = 1,689,045.42

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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.