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Finding the Third Proportional to 516,042 and 781,848

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Solution

The third proportional to 516,042 and 781,848 is: 1,184,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,042 : 781,848 = 781,848 : x
  2. Step 2: Convert to fraction form
    516,042/781,848 = 781,848/x
  3. Step 3: Cross multiply
    516,042x = 781,848 × 781,848
  4. Step 4: Simplify right side
    516,042x = 611,286,295,104
  5. Step 5: Solve for x
    x = 611,286,295,104/516,042
  6. Step 6: Final answer
    x = 1,184,566.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.