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Finding the Third Proportional to 90,360 and 197,952

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Solution

The third proportional to 90,360 and 197,952 is: 433,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,360 : 197,952 = 197,952 : x
  2. Step 2: Convert to fraction form
    90,360/197,952 = 197,952/x
  3. Step 3: Cross multiply
    90,360x = 197,952 × 197,952
  4. Step 4: Simplify right side
    90,360x = 39,184,994,304
  5. Step 5: Solve for x
    x = 39,184,994,304/90,360
  6. Step 6: Final answer
    x = 433,654.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.