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Finding the Third Proportional to 3,918,158,636 and 8,525,038,240

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Solution

The third proportional to 3,918,158,636 and 8,525,038,240 is: 18,548,579,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,158,636 : 8,525,038,240 = 8,525,038,240 : x
  2. Step 2: Convert to fraction form
    3,918,158,636/8,525,038,240 = 8,525,038,240/x
  3. Step 3: Cross multiply
    3,918,158,636x = 8,525,038,240 × 8,525,038,240
  4. Step 4: Simplify right side
    3,918,158,636x = 72,676,276,993,462,296,576
  5. Step 5: Solve for x
    x = 72,676,276,993,462,296,576/3,918,158,636
  6. Step 6: Final answer
    x = 18,548,579,510.21

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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.