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Finding the Third Proportional to 1,479,665,412 and 3,219,812,370

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Solution

The third proportional to 1,479,665,412 and 3,219,812,370 is: 7,006,443,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,665,412 : 3,219,812,370 = 3,219,812,370 : x
  2. Step 2: Convert to fraction form
    1,479,665,412/3,219,812,370 = 3,219,812,370/x
  3. Step 3: Cross multiply
    1,479,665,412x = 3,219,812,370 × 3,219,812,370
  4. Step 4: Simplify right side
    1,479,665,412x = 10,367,191,698,005,016,576
  5. Step 5: Solve for x
    x = 10,367,191,698,005,016,576/1,479,665,412
  6. Step 6: Final answer
    x = 7,006,443,222.86

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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.