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Finding the Third Proportional to 184,374 and 402,120

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Solution

The third proportional to 184,374 and 402,120 is: 877,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,374 : 402,120 = 402,120 : x
  2. Step 2: Convert to fraction form
    184,374/402,120 = 402,120/x
  3. Step 3: Cross multiply
    184,374x = 402,120 × 402,120
  4. Step 4: Simplify right side
    184,374x = 161,700,494,400
  5. Step 5: Solve for x
    x = 161,700,494,400/184,374
  6. Step 6: Final answer
    x = 877,024.39

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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.