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Finding the Third Proportional to 154,574 and 325,750

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Solution

The third proportional to 154,574 and 325,750 is: 686,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,574 : 325,750 = 325,750 : x
  2. Step 2: Convert to fraction form
    154,574/325,750 = 325,750/x
  3. Step 3: Cross multiply
    154,574x = 325,750 × 325,750
  4. Step 4: Simplify right side
    154,574x = 106,113,062,500
  5. Step 5: Solve for x
    x = 106,113,062,500/154,574
  6. Step 6: Final answer
    x = 686,487.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.