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Finding the Third Proportional to 70,546,378 and 143,927,000

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Solution

The third proportional to 70,546,378 and 143,927,000 is: 293,636,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546,378 : 143,927,000 = 143,927,000 : x
  2. Step 2: Convert to fraction form
    70,546,378/143,927,000 = 143,927,000/x
  3. Step 3: Cross multiply
    70,546,378x = 143,927,000 × 143,927,000
  4. Step 4: Simplify right side
    70,546,378x = 20,714,981,329,000,000
  5. Step 5: Solve for x
    x = 20,714,981,329,000,000/70,546,378
  6. Step 6: Final answer
    x = 293,636,355.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.