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Finding the Third Proportional to 254,743.50 and 539,830.50

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Solution

The third proportional to 254,743.50 and 539,830.50 is: 1,143,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,743.50 : 539,830.50 = 539,830.50 : x
  2. Step 2: Convert to fraction form
    254,743.50/539,830.50 = 539,830.50/x
  3. Step 3: Cross multiply
    254,743.50x = 539,830.50 × 539,830.50
  4. Step 4: Simplify right side
    254,743.50x = 291,416,968,730.25
  5. Step 5: Solve for x
    x = 291,416,968,730.25/254,743.50
  6. Step 6: Final answer
    x = 1,143,962.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.