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Finding the Third Proportional to 310,326.19 and 483,879.45

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Solution

The third proportional to 310,326.19 and 483,879.45 is: 754,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,326.19 : 483,879.45 = 483,879.45 : x
  2. Step 2: Convert to fraction form
    310,326.19/483,879.45 = 483,879.45/x
  3. Step 3: Cross multiply
    310,326.19x = 483,879.45 × 483,879.45
  4. Step 4: Simplify right side
    310,326.19x = 234,139,317,595.93
  5. Step 5: Solve for x
    x = 234,139,317,595.93/310,326.19
  6. Step 6: Final answer
    x = 754,494.23

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.