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Finding the Third Proportional to 1,375,509,239 and 3,021,240,999

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Solution

The third proportional to 1,375,509,239 and 3,021,240,999 is: 6,636,012,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,509,239 : 3,021,240,999 = 3,021,240,999 : x
  2. Step 2: Convert to fraction form
    1,375,509,239/3,021,240,999 = 3,021,240,999/x
  3. Step 3: Cross multiply
    1,375,509,239x = 3,021,240,999 × 3,021,240,999
  4. Step 4: Simplify right side
    1,375,509,239x = 9,127,897,174,038,517,760
  5. Step 5: Solve for x
    x = 9,127,897,174,038,517,760/1,375,509,239
  6. Step 6: Final answer
    x = 6,636,012,987.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.