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Finding the Third Proportional to 144,754 and 318,957

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Solution

The third proportional to 144,754 and 318,957 is: 702,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,754 : 318,957 = 318,957 : x
  2. Step 2: Convert to fraction form
    144,754/318,957 = 318,957/x
  3. Step 3: Cross multiply
    144,754x = 318,957 × 318,957
  4. Step 4: Simplify right side
    144,754x = 101,733,567,849
  5. Step 5: Solve for x
    x = 101,733,567,849/144,754
  6. Step 6: Final answer
    x = 702,803.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.