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Finding the Third Proportional to 100,990 and 153,583

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Solution

The third proportional to 100,990 and 153,583 is: 233,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,990 : 153,583 = 153,583 : x
  2. Step 2: Convert to fraction form
    100,990/153,583 = 153,583/x
  3. Step 3: Cross multiply
    100,990x = 153,583 × 153,583
  4. Step 4: Simplify right side
    100,990x = 23,587,737,889
  5. Step 5: Solve for x
    x = 23,587,737,889/100,990
  6. Step 6: Final answer
    x = 233,565.08

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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.