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Finding the Third Proportional to 653,487.75 and 1,423,244.25

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Solution

The third proportional to 653,487.75 and 1,423,244.25 is: 3,099,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,487.75 : 1,423,244.25 = 1,423,244.25 : x
  2. Step 2: Convert to fraction form
    653,487.75/1,423,244.25 = 1,423,244.25/x
  3. Step 3: Cross multiply
    653,487.75x = 1,423,244.25 × 1,423,244.25
  4. Step 4: Simplify right side
    653,487.75x = 2,025,624,195,158.06
  5. Step 5: Solve for x
    x = 2,025,624,195,158.06/653,487.75
  6. Step 6: Final answer
    x = 3,099,712.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.