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Finding the Third Proportional to 184,426 and 402,356

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Solution

The third proportional to 184,426 and 402,356 is: 877,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,426 : 402,356 = 402,356 : x
  2. Step 2: Convert to fraction form
    184,426/402,356 = 402,356/x
  3. Step 3: Cross multiply
    184,426x = 402,356 × 402,356
  4. Step 4: Simplify right side
    184,426x = 161,890,350,736
  5. Step 5: Solve for x
    x = 161,890,350,736/184,426
  6. Step 6: Final answer
    x = 877,806.55

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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.