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Finding the Third Proportional to 301,804 and 423,008

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Solution

The third proportional to 301,804 and 423,008 is: 592,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,804 : 423,008 = 423,008 : x
  2. Step 2: Convert to fraction form
    301,804/423,008 = 423,008/x
  3. Step 3: Cross multiply
    301,804x = 423,008 × 423,008
  4. Step 4: Simplify right side
    301,804x = 178,935,768,064
  5. Step 5: Solve for x
    x = 178,935,768,064/301,804
  6. Step 6: Final answer
    x = 592,887.33

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.