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Finding the Third Proportional to 255,280.50 and 549,947.75

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Solution

The third proportional to 255,280.50 and 549,947.75 is: 1,184,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,280.50 : 549,947.75 = 549,947.75 : x
  2. Step 2: Convert to fraction form
    255,280.50/549,947.75 = 549,947.75/x
  3. Step 3: Cross multiply
    255,280.50x = 549,947.75 × 549,947.75
  4. Step 4: Simplify right side
    255,280.50x = 302,442,527,730.06
  5. Step 5: Solve for x
    x = 302,442,527,730.06/255,280.50
  6. Step 6: Final answer
    x = 1,184,745.91

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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.