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Finding the Third Proportional to 145,174 and 312,596

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Solution

The third proportional to 145,174 and 312,596 is: 673,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174 : 312,596 = 312,596 : x
  2. Step 2: Convert to fraction form
    145,174/312,596 = 312,596/x
  3. Step 3: Cross multiply
    145,174x = 312,596 × 312,596
  4. Step 4: Simplify right side
    145,174x = 97,716,259,216
  5. Step 5: Solve for x
    x = 97,716,259,216/145,174
  6. Step 6: Final answer
    x = 673,097.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.