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Finding the Third Proportional to 98,592 and 211,928

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Solution

The third proportional to 98,592 and 211,928 is: 455,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,592 : 211,928 = 211,928 : x
  2. Step 2: Convert to fraction form
    98,592/211,928 = 211,928/x
  3. Step 3: Cross multiply
    98,592x = 211,928 × 211,928
  4. Step 4: Simplify right side
    98,592x = 44,913,477,184
  5. Step 5: Solve for x
    x = 44,913,477,184/98,592
  6. Step 6: Final answer
    x = 455,548.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.