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Finding the Third Proportional to 68,874,164 and 149,854,684

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Solution

The third proportional to 68,874,164 and 149,854,684 is: 326,050,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,164 : 149,854,684 = 149,854,684 : x
  2. Step 2: Convert to fraction form
    68,874,164/149,854,684 = 149,854,684/x
  3. Step 3: Cross multiply
    68,874,164x = 149,854,684 × 149,854,684
  4. Step 4: Simplify right side
    68,874,164x = 22,456,426,316,739,856
  5. Step 5: Solve for x
    x = 22,456,426,316,739,856/68,874,164
  6. Step 6: Final answer
    x = 326,050,074.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.