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Finding the Third Proportional to 144,703.50 and 310,172.25

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Solution

The third proportional to 144,703.50 and 310,172.25 is: 664,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,703.50 : 310,172.25 = 310,172.25 : x
  2. Step 2: Convert to fraction form
    144,703.50/310,172.25 = 310,172.25/x
  3. Step 3: Cross multiply
    144,703.50x = 310,172.25 × 310,172.25
  4. Step 4: Simplify right side
    144,703.50x = 96,206,824,670.06
  5. Step 5: Solve for x
    x = 96,206,824,670.06/144,703.50
  6. Step 6: Final answer
    x = 664,854.86

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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.