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Finding the Third Proportional to 145,926 and 313,114

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Solution

The third proportional to 145,926 and 313,114 is: 671,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,926 : 313,114 = 313,114 : x
  2. Step 2: Convert to fraction form
    145,926/313,114 = 313,114/x
  3. Step 3: Cross multiply
    145,926x = 313,114 × 313,114
  4. Step 4: Simplify right side
    145,926x = 98,040,376,996
  5. Step 5: Solve for x
    x = 98,040,376,996/145,926
  6. Step 6: Final answer
    x = 671,849.96

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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.