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Finding the Third Proportional to 673,772.63 and 990,955.13

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Solution

The third proportional to 673,772.63 and 990,955.13 is: 1,457,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,772.63 : 990,955.13 = 990,955.13 : x
  2. Step 2: Convert to fraction form
    673,772.63/990,955.13 = 990,955.13/x
  3. Step 3: Cross multiply
    673,772.63x = 990,955.13 × 990,955.13
  4. Step 4: Simplify right side
    673,772.63x = 981,992,059,763.77
  5. Step 5: Solve for x
    x = 981,992,059,763.77/673,772.63
  6. Step 6: Final answer
    x = 1,457,453.19

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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.