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Finding the Third Proportional to 289,167 and 626,595

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Solution

The third proportional to 289,167 and 626,595 is: 1,357,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,167 : 626,595 = 626,595 : x
  2. Step 2: Convert to fraction form
    289,167/626,595 = 626,595/x
  3. Step 3: Cross multiply
    289,167x = 626,595 × 626,595
  4. Step 4: Simplify right side
    289,167x = 392,621,294,025
  5. Step 5: Solve for x
    x = 392,621,294,025/289,167
  6. Step 6: Final answer
    x = 1,357,766.60

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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.