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Finding the Third Proportional to 184,816 and 402,788

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Solution

The third proportional to 184,816 and 402,788 is: 877,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,816 : 402,788 = 402,788 : x
  2. Step 2: Convert to fraction form
    184,816/402,788 = 402,788/x
  3. Step 3: Cross multiply
    184,816x = 402,788 × 402,788
  4. Step 4: Simplify right side
    184,816x = 162,238,172,944
  5. Step 5: Solve for x
    x = 162,238,172,944/184,816
  6. Step 6: Final answer
    x = 877,836.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.