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Finding the Third Proportional to 1,819,754,588 and 3,929,479,132

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Solution

The third proportional to 1,819,754,588 and 3,929,479,132 is: 8,485,103,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,754,588 : 3,929,479,132 = 3,929,479,132 : x
  2. Step 2: Convert to fraction form
    1,819,754,588/3,929,479,132 = 3,929,479,132/x
  3. Step 3: Cross multiply
    1,819,754,588x = 3,929,479,132 × 3,929,479,132
  4. Step 4: Simplify right side
    1,819,754,588x = 15,440,806,248,823,474,176
  5. Step 5: Solve for x
    x = 15,440,806,248,823,474,176/1,819,754,588
  6. Step 6: Final answer
    x = 8,485,103,623.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.