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Finding the Third Proportional to 389,468,194 and 604,987,508

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Solution

The third proportional to 389,468,194 and 604,987,508 is: 939,768,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,468,194 : 604,987,508 = 604,987,508 : x
  2. Step 2: Convert to fraction form
    389,468,194/604,987,508 = 604,987,508/x
  3. Step 3: Cross multiply
    389,468,194x = 604,987,508 × 604,987,508
  4. Step 4: Simplify right side
    389,468,194x = 366,009,884,836,050,048
  5. Step 5: Solve for x
    x = 366,009,884,836,050,048/389,468,194
  6. Step 6: Final answer
    x = 939,768,357.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.