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Finding the Third Proportional to 19,998 and 43,272

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Solution

The third proportional to 19,998 and 43,272 is: 93,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998 : 43,272 = 43,272 : x
  2. Step 2: Convert to fraction form
    19,998/43,272 = 43,272/x
  3. Step 3: Cross multiply
    19,998x = 43,272 × 43,272
  4. Step 4: Simplify right side
    19,998x = 1,872,465,984
  5. Step 5: Solve for x
    x = 1,872,465,984/19,998
  6. Step 6: Final answer
    x = 93,632.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.