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Finding the Third Proportional to 98,595 and 212,454

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Solution

The third proportional to 98,595 and 212,454 is: 457,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,595 : 212,454 = 212,454 : x
  2. Step 2: Convert to fraction form
    98,595/212,454 = 212,454/x
  3. Step 3: Cross multiply
    98,595x = 212,454 × 212,454
  4. Step 4: Simplify right side
    98,595x = 45,136,702,116
  5. Step 5: Solve for x
    x = 45,136,702,116/98,595
  6. Step 6: Final answer
    x = 457,799.10

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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.