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Finding the Third Proportional to 163,707 and 252,303

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Solution

The third proportional to 163,707 and 252,303 is: 388,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,707 : 252,303 = 252,303 : x
  2. Step 2: Convert to fraction form
    163,707/252,303 = 252,303/x
  3. Step 3: Cross multiply
    163,707x = 252,303 × 252,303
  4. Step 4: Simplify right side
    163,707x = 63,656,803,809
  5. Step 5: Solve for x
    x = 63,656,803,809/163,707
  6. Step 6: Final answer
    x = 388,845.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.