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Finding the Third Proportional to 255,087 and 374,836.50

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Solution

The third proportional to 255,087 and 374,836.50 is: 550,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,087 : 374,836.50 = 374,836.50 : x
  2. Step 2: Convert to fraction form
    255,087/374,836.50 = 374,836.50/x
  3. Step 3: Cross multiply
    255,087x = 374,836.50 × 374,836.50
  4. Step 4: Simplify right side
    255,087x = 140,502,401,732.25
  5. Step 5: Solve for x
    x = 140,502,401,732.25/255,087
  6. Step 6: Final answer
    x = 550,801.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.