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Finding the Third Proportional to 207,768 and 450,516

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Solution

The third proportional to 207,768 and 450,516 is: 976,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,768 : 450,516 = 450,516 : x
  2. Step 2: Convert to fraction form
    207,768/450,516 = 450,516/x
  3. Step 3: Cross multiply
    207,768x = 450,516 × 450,516
  4. Step 4: Simplify right side
    207,768x = 202,964,666,256
  5. Step 5: Solve for x
    x = 202,964,666,256/207,768
  6. Step 6: Final answer
    x = 976,881.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.