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Finding the Third Proportional to 147,784.50 and 306,078.75

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Solution

The third proportional to 147,784.50 and 306,078.75 is: 633,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.50 : 306,078.75 = 306,078.75 : x
  2. Step 2: Convert to fraction form
    147,784.50/306,078.75 = 306,078.75/x
  3. Step 3: Cross multiply
    147,784.50x = 306,078.75 × 306,078.75
  4. Step 4: Simplify right side
    147,784.50x = 93,684,201,201.56
  5. Step 5: Solve for x
    x = 93,684,201,201.56/147,784.50
  6. Step 6: Final answer
    x = 633,924.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.