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Finding the Third Proportional to 145,872 and 314,100

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Solution

The third proportional to 145,872 and 314,100 is: 676,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,872 : 314,100 = 314,100 : x
  2. Step 2: Convert to fraction form
    145,872/314,100 = 314,100/x
  3. Step 3: Cross multiply
    145,872x = 314,100 × 314,100
  4. Step 4: Simplify right side
    145,872x = 98,658,810,000
  5. Step 5: Solve for x
    x = 98,658,810,000/145,872
  6. Step 6: Final answer
    x = 676,338.23

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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.