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Finding the Third Proportional to 3,985,693,059.34 and 8,562,875,798.85

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Solution

The third proportional to 3,985,693,059.34 and 8,562,875,798.85 is: 18,396,509,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,693,059.34 : 8,562,875,798.85 = 8,562,875,798.85 : x
  2. Step 2: Convert to fraction form
    3,985,693,059.34/8,562,875,798.85 = 8,562,875,798.85/x
  3. Step 3: Cross multiply
    3,985,693,059.34x = 8,562,875,798.85 × 8,562,875,798.85
  4. Step 4: Simplify right side
    3,985,693,059.34x = 73,322,841,946,488,209,408
  5. Step 5: Solve for x
    x = 73,322,841,946,488,209,408/3,985,693,059.34
  6. Step 6: Final answer
    x = 18,396,509,930.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.