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Finding the Third Proportional to 147,448 and 322,904

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Solution

The third proportional to 147,448 and 322,904 is: 707,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,448 : 322,904 = 322,904 : x
  2. Step 2: Convert to fraction form
    147,448/322,904 = 322,904/x
  3. Step 3: Cross multiply
    147,448x = 322,904 × 322,904
  4. Step 4: Simplify right side
    147,448x = 104,266,993,216
  5. Step 5: Solve for x
    x = 104,266,993,216/147,448
  6. Step 6: Final answer
    x = 707,144.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.