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Finding the Third Proportional to 492,705 and 741,254

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Solution

The third proportional to 492,705 and 741,254 is: 1,115,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,705 : 741,254 = 741,254 : x
  2. Step 2: Convert to fraction form
    492,705/741,254 = 741,254/x
  3. Step 3: Cross multiply
    492,705x = 741,254 × 741,254
  4. Step 4: Simplify right side
    492,705x = 549,457,492,516
  5. Step 5: Solve for x
    x = 549,457,492,516/492,705
  6. Step 6: Final answer
    x = 1,115,185.54

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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.