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Finding the Third Proportional to 171,316 and 272,814

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Solution

The third proportional to 171,316 and 272,814 is: 434,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,316 : 272,814 = 272,814 : x
  2. Step 2: Convert to fraction form
    171,316/272,814 = 272,814/x
  3. Step 3: Cross multiply
    171,316x = 272,814 × 272,814
  4. Step 4: Simplify right side
    171,316x = 74,427,478,596
  5. Step 5: Solve for x
    x = 74,427,478,596/171,316
  6. Step 6: Final answer
    x = 434,445.58

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.