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Finding the Third Proportional to 17,977,692 and 39,620,130

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Solution

The third proportional to 17,977,692 and 39,620,130 is: 87,316,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,692 : 39,620,130 = 39,620,130 : x
  2. Step 2: Convert to fraction form
    17,977,692/39,620,130 = 39,620,130/x
  3. Step 3: Cross multiply
    17,977,692x = 39,620,130 × 39,620,130
  4. Step 4: Simplify right side
    17,977,692x = 1,569,754,701,216,900
  5. Step 5: Solve for x
    x = 1,569,754,701,216,900/17,977,692
  6. Step 6: Final answer
    x = 87,316,809.14

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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.