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Finding the Third Proportional to 146,014 and 316,813

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Solution

The third proportional to 146,014 and 316,813 is: 687,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,014 : 316,813 = 316,813 : x
  2. Step 2: Convert to fraction form
    146,014/316,813 = 316,813/x
  3. Step 3: Cross multiply
    146,014x = 316,813 × 316,813
  4. Step 4: Simplify right side
    146,014x = 100,370,476,969
  5. Step 5: Solve for x
    x = 100,370,476,969/146,014
  6. Step 6: Final answer
    x = 687,403.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.