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Finding the Third Proportional to 492,725 and 741,284

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Solution

The third proportional to 492,725 and 741,284 is: 1,115,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,725 : 741,284 = 741,284 : x
  2. Step 2: Convert to fraction form
    492,725/741,284 = 741,284/x
  3. Step 3: Cross multiply
    492,725x = 741,284 × 741,284
  4. Step 4: Simplify right side
    492,725x = 549,501,968,656
  5. Step 5: Solve for x
    x = 549,501,968,656/492,725
  6. Step 6: Final answer
    x = 1,115,230.54

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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.