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Finding the Third Proportional to 349,190,250 and 485,521,137

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Solution

The third proportional to 349,190,250 and 485,521,137 is: 675,078,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,190,250 : 485,521,137 = 485,521,137 : x
  2. Step 2: Convert to fraction form
    349,190,250/485,521,137 = 485,521,137/x
  3. Step 3: Cross multiply
    349,190,250x = 485,521,137 × 485,521,137
  4. Step 4: Simplify right side
    349,190,250x = 235,730,774,473,772,768
  5. Step 5: Solve for x
    x = 235,730,774,473,772,768/349,190,250
  6. Step 6: Final answer
    x = 675,078,340.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.