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Finding the Third Proportional to 252,780.75 and 553,034.25

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Solution

The third proportional to 252,780.75 and 553,034.25 is: 1,209,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,780.75 : 553,034.25 = 553,034.25 : x
  2. Step 2: Convert to fraction form
    252,780.75/553,034.25 = 553,034.25/x
  3. Step 3: Cross multiply
    252,780.75x = 553,034.25 × 553,034.25
  4. Step 4: Simplify right side
    252,780.75x = 305,846,881,673.06
  5. Step 5: Solve for x
    x = 305,846,881,673.06/252,780.75
  6. Step 6: Final answer
    x = 1,209,929.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.