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Finding the Third Proportional to 889,308 and 1,331,520

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Solution

The third proportional to 889,308 and 1,331,520 is: 1,993,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,308 : 1,331,520 = 1,331,520 : x
  2. Step 2: Convert to fraction form
    889,308/1,331,520 = 1,331,520/x
  3. Step 3: Cross multiply
    889,308x = 1,331,520 × 1,331,520
  4. Step 4: Simplify right side
    889,308x = 1,772,945,510,400
  5. Step 5: Solve for x
    x = 1,772,945,510,400/889,308
  6. Step 6: Final answer
    x = 1,993,623.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.