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Finding the Third Proportional to 684,758 and 1,029,207

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Solution

The third proportional to 684,758 and 1,029,207 is: 1,546,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,758 : 1,029,207 = 1,029,207 : x
  2. Step 2: Convert to fraction form
    684,758/1,029,207 = 1,029,207/x
  3. Step 3: Cross multiply
    684,758x = 1,029,207 × 1,029,207
  4. Step 4: Simplify right side
    684,758x = 1,059,267,048,849
  5. Step 5: Solve for x
    x = 1,059,267,048,849/684,758
  6. Step 6: Final answer
    x = 1,546,921.76

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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.