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Finding the Third Proportional to 161,316 and 250,374

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Solution

The third proportional to 161,316 and 250,374 is: 388,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,316 : 250,374 = 250,374 : x
  2. Step 2: Convert to fraction form
    161,316/250,374 = 250,374/x
  3. Step 3: Cross multiply
    161,316x = 250,374 × 250,374
  4. Step 4: Simplify right side
    161,316x = 62,687,139,876
  5. Step 5: Solve for x
    x = 62,687,139,876/161,316
  6. Step 6: Final answer
    x = 388,598.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.