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Finding the Third Proportional to 207,521 and 453,484.75

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Solution

The third proportional to 207,521 and 453,484.75 is: 990,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,521 : 453,484.75 = 453,484.75 : x
  2. Step 2: Convert to fraction form
    207,521/453,484.75 = 453,484.75/x
  3. Step 3: Cross multiply
    207,521x = 453,484.75 × 453,484.75
  4. Step 4: Simplify right side
    207,521x = 205,648,418,482.56
  5. Step 5: Solve for x
    x = 205,648,418,482.56/207,521
  6. Step 6: Final answer
    x = 990,976.42

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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.