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Finding the Third Proportional to 673,690.50 and 990,852

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Solution

The third proportional to 673,690.50 and 990,852 is: 1,457,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,690.50 : 990,852 = 990,852 : x
  2. Step 2: Convert to fraction form
    673,690.50/990,852 = 990,852/x
  3. Step 3: Cross multiply
    673,690.50x = 990,852 × 990,852
  4. Step 4: Simplify right side
    673,690.50x = 981,787,685,904
  5. Step 5: Solve for x
    x = 981,787,685,904/673,690.50
  6. Step 6: Final answer
    x = 1,457,327.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.