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Finding the Third Proportional to 370,717.50 and 556,076.63

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Solution

The third proportional to 370,717.50 and 556,076.63 is: 834,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,717.50 : 556,076.63 = 556,076.63 : x
  2. Step 2: Convert to fraction form
    370,717.50/556,076.63 = 556,076.63/x
  3. Step 3: Cross multiply
    370,717.50x = 556,076.63 × 556,076.63
  4. Step 4: Simplify right side
    370,717.50x = 309,221,212,871.39
  5. Step 5: Solve for x
    x = 309,221,212,871.39/370,717.50
  6. Step 6: Final answer
    x = 834,115.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.