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Finding the Third Proportional to 1,494,816.75 and 3,509,320.50

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Solution

The third proportional to 1,494,816.75 and 3,509,320.50 is: 8,238,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,816.75 : 3,509,320.50 = 3,509,320.50 : x
  2. Step 2: Convert to fraction form
    1,494,816.75/3,509,320.50 = 3,509,320.50/x
  3. Step 3: Cross multiply
    1,494,816.75x = 3,509,320.50 × 3,509,320.50
  4. Step 4: Simplify right side
    1,494,816.75x = 12,315,330,371,720.25
  5. Step 5: Solve for x
    x = 12,315,330,371,720.25/1,494,816.75
  6. Step 6: Final answer
    x = 8,238,689.04

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.