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Finding the Third Proportional to 210,496 and 450,880

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Solution

The third proportional to 210,496 and 450,880 is: 965,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,496 : 450,880 = 450,880 : x
  2. Step 2: Convert to fraction form
    210,496/450,880 = 450,880/x
  3. Step 3: Cross multiply
    210,496x = 450,880 × 450,880
  4. Step 4: Simplify right side
    210,496x = 203,292,774,400
  5. Step 5: Solve for x
    x = 203,292,774,400/210,496
  6. Step 6: Final answer
    x = 965,779.75

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.