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Finding the Third Proportional to 1,240,170.75 and 1,755,330.75

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Solution

The third proportional to 1,240,170.75 and 1,755,330.75 is: 2,484,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,170.75 : 1,755,330.75 = 1,755,330.75 : x
  2. Step 2: Convert to fraction form
    1,240,170.75/1,755,330.75 = 1,755,330.75/x
  3. Step 3: Cross multiply
    1,240,170.75x = 1,755,330.75 × 1,755,330.75
  4. Step 4: Simplify right side
    1,240,170.75x = 3,081,186,041,895.56
  5. Step 5: Solve for x
    x = 3,081,186,041,895.56/1,240,170.75
  6. Step 6: Final answer
    x = 2,484,485.34

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.