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Finding the Third Proportional to 1,120,855.50 and 1,784,373.75

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Solution

The third proportional to 1,120,855.50 and 1,784,373.75 is: 2,840,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,855.50 : 1,784,373.75 = 1,784,373.75 : x
  2. Step 2: Convert to fraction form
    1,120,855.50/1,784,373.75 = 1,784,373.75/x
  3. Step 3: Cross multiply
    1,120,855.50x = 1,784,373.75 × 1,784,373.75
  4. Step 4: Simplify right side
    1,120,855.50x = 3,183,989,679,689.06
  5. Step 5: Solve for x
    x = 3,183,989,679,689.06/1,120,855.50
  6. Step 6: Final answer
    x = 2,840,678.11

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.