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Finding the Third Proportional to 276,415 and 602,858

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Solution

The third proportional to 276,415 and 602,858 is: 1,314,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,415 : 602,858 = 602,858 : x
  2. Step 2: Convert to fraction form
    276,415/602,858 = 602,858/x
  3. Step 3: Cross multiply
    276,415x = 602,858 × 602,858
  4. Step 4: Simplify right side
    276,415x = 363,437,768,164
  5. Step 5: Solve for x
    x = 363,437,768,164/276,415
  6. Step 6: Final answer
    x = 1,314,826.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.