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Finding the Third Proportional to 163,268 and 247,365

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Solution

The third proportional to 163,268 and 247,365 is: 374,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,268 : 247,365 = 247,365 : x
  2. Step 2: Convert to fraction form
    163,268/247,365 = 247,365/x
  3. Step 3: Cross multiply
    163,268x = 247,365 × 247,365
  4. Step 4: Simplify right side
    163,268x = 61,189,443,225
  5. Step 5: Solve for x
    x = 61,189,443,225/163,268
  6. Step 6: Final answer
    x = 374,779.16

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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.