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Finding the Third Proportional to 448,599 and 980,790

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Solution

The third proportional to 448,599 and 980,790 is: 2,144,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,599 : 980,790 = 980,790 : x
  2. Step 2: Convert to fraction form
    448,599/980,790 = 980,790/x
  3. Step 3: Cross multiply
    448,599x = 980,790 × 980,790
  4. Step 4: Simplify right side
    448,599x = 961,949,024,100
  5. Step 5: Solve for x
    x = 961,949,024,100/448,599
  6. Step 6: Final answer
    x = 2,144,340.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.