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Finding the Third Proportional to 289,164.50 and 626,591.13

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Solution

The third proportional to 289,164.50 and 626,591.13 is: 1,357,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,164.50 : 626,591.13 = 626,591.13 : x
  2. Step 2: Convert to fraction form
    289,164.50/626,591.13 = 626,591.13/x
  3. Step 3: Cross multiply
    289,164.50x = 626,591.13 × 626,591.13
  4. Step 4: Simplify right side
    289,164.50x = 392,616,437,928.77
  5. Step 5: Solve for x
    x = 392,616,437,928.77/289,164.50
  6. Step 6: Final answer
    x = 1,357,761.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.