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Finding the Third Proportional to 364,998 and 488,240

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Solution

The third proportional to 364,998 and 488,240 is: 653,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,998 : 488,240 = 488,240 : x
  2. Step 2: Convert to fraction form
    364,998/488,240 = 488,240/x
  3. Step 3: Cross multiply
    364,998x = 488,240 × 488,240
  4. Step 4: Simplify right side
    364,998x = 238,378,297,600
  5. Step 5: Solve for x
    x = 238,378,297,600/364,998
  6. Step 6: Final answer
    x = 653,094.80

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.