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Finding the Third Proportional to 248,779.50 and 536,439

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Solution

The third proportional to 248,779.50 and 536,439 is: 1,156,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,779.50 : 536,439 = 536,439 : x
  2. Step 2: Convert to fraction form
    248,779.50/536,439 = 536,439/x
  3. Step 3: Cross multiply
    248,779.50x = 536,439 × 536,439
  4. Step 4: Simplify right side
    248,779.50x = 287,766,800,721
  5. Step 5: Solve for x
    x = 287,766,800,721/248,779.50
  6. Step 6: Final answer
    x = 1,156,714.28

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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.