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Finding the Third Proportional to 331,008.75 and 708,673.50

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Solution

The third proportional to 331,008.75 and 708,673.50 is: 1,517,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,008.75 : 708,673.50 = 708,673.50 : x
  2. Step 2: Convert to fraction form
    331,008.75/708,673.50 = 708,673.50/x
  3. Step 3: Cross multiply
    331,008.75x = 708,673.50 × 708,673.50
  4. Step 4: Simplify right side
    331,008.75x = 502,218,129,602.25
  5. Step 5: Solve for x
    x = 502,218,129,602.25/331,008.75
  6. Step 6: Final answer
    x = 1,517,235.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.