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Finding the Third Proportional to 174,316 and 376,280

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Solution

The third proportional to 174,316 and 376,280 is: 812,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,316 : 376,280 = 376,280 : x
  2. Step 2: Convert to fraction form
    174,316/376,280 = 376,280/x
  3. Step 3: Cross multiply
    174,316x = 376,280 × 376,280
  4. Step 4: Simplify right side
    174,316x = 141,586,638,400
  5. Step 5: Solve for x
    x = 141,586,638,400/174,316
  6. Step 6: Final answer
    x = 812,241.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.