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Finding the Third Proportional to 2,078,920,732.50 and 4,622,655,388.50

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Solution

The third proportional to 2,078,920,732.50 and 4,622,655,388.50 is: 10,278,863,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,920,732.50 : 4,622,655,388.50 = 4,622,655,388.50 : x
  2. Step 2: Convert to fraction form
    2,078,920,732.50/4,622,655,388.50 = 4,622,655,388.50/x
  3. Step 3: Cross multiply
    2,078,920,732.50x = 4,622,655,388.50 × 4,622,655,388.50
  4. Step 4: Simplify right side
    2,078,920,732.50x = 21,368,942,840,828,084,224
  5. Step 5: Solve for x
    x = 21,368,942,840,828,084,224/2,078,920,732.50
  6. Step 6: Final answer
    x = 10,278,863,694.40

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.