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Finding the Third Proportional to 989,088 and 2,135,856

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Solution

The third proportional to 989,088 and 2,135,856 is: 4,612,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,088 : 2,135,856 = 2,135,856 : x
  2. Step 2: Convert to fraction form
    989,088/2,135,856 = 2,135,856/x
  3. Step 3: Cross multiply
    989,088x = 2,135,856 × 2,135,856
  4. Step 4: Simplify right side
    989,088x = 4,561,880,852,736
  5. Step 5: Solve for x
    x = 4,561,880,852,736/989,088
  6. Step 6: Final answer
    x = 4,612,209.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.