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Finding the Third Proportional to 829,680 and 1,252,158

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Solution

The third proportional to 829,680 and 1,252,158 is: 1,889,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,680 : 1,252,158 = 1,252,158 : x
  2. Step 2: Convert to fraction form
    829,680/1,252,158 = 1,252,158/x
  3. Step 3: Cross multiply
    829,680x = 1,252,158 × 1,252,158
  4. Step 4: Simplify right side
    829,680x = 1,567,899,656,964
  5. Step 5: Solve for x
    x = 1,567,899,656,964/829,680
  6. Step 6: Final answer
    x = 1,889,764.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.