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Finding the Third Proportional to 480,628.69 and 747,187.03

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Solution

The third proportional to 480,628.69 and 747,187.03 is: 1,161,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,628.69 : 747,187.03 = 747,187.03 : x
  2. Step 2: Convert to fraction form
    480,628.69/747,187.03 = 747,187.03/x
  3. Step 3: Cross multiply
    480,628.69x = 747,187.03 × 747,187.03
  4. Step 4: Simplify right side
    480,628.69x = 558,288,459,668.19
  5. Step 5: Solve for x
    x = 558,288,459,668.19/480,628.69
  6. Step 6: Final answer
    x = 1,161,579.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.