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Finding the Third Proportional to 260,840.75 and 549,697.50

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Solution

The third proportional to 260,840.75 and 549,697.50 is: 1,158,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,840.75 : 549,697.50 = 549,697.50 : x
  2. Step 2: Convert to fraction form
    260,840.75/549,697.50 = 549,697.50/x
  3. Step 3: Cross multiply
    260,840.75x = 549,697.50 × 549,697.50
  4. Step 4: Simplify right side
    260,840.75x = 302,167,341,506.25
  5. Step 5: Solve for x
    x = 302,167,341,506.25/260,840.75
  6. Step 6: Final answer
    x = 1,158,436.10

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.