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Finding the Third Proportional to 216,977,526 and 327,484,059

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Solution

The third proportional to 216,977,526 and 327,484,059 is: 494,271,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,977,526 : 327,484,059 = 327,484,059 : x
  2. Step 2: Convert to fraction form
    216,977,526/327,484,059 = 327,484,059/x
  3. Step 3: Cross multiply
    216,977,526x = 327,484,059 × 327,484,059
  4. Step 4: Simplify right side
    216,977,526x = 107,245,808,899,115,488
  5. Step 5: Solve for x
    x = 107,245,808,899,115,488/216,977,526
  6. Step 6: Final answer
    x = 494,271,507.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.