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Finding the Third Proportional to 622,182 and 989,313

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Solution

The third proportional to 622,182 and 989,313 is: 1,573,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,182 : 989,313 = 989,313 : x
  2. Step 2: Convert to fraction form
    622,182/989,313 = 989,313/x
  3. Step 3: Cross multiply
    622,182x = 989,313 × 989,313
  4. Step 4: Simplify right side
    622,182x = 978,740,211,969
  5. Step 5: Solve for x
    x = 978,740,211,969/622,182
  6. Step 6: Final answer
    x = 1,573,077.03

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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.