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Finding the Third Proportional to 668,507,423 and 1,466,155,009

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Solution

The third proportional to 668,507,423 and 1,466,155,009 is: 3,215,537,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,507,423 : 1,466,155,009 = 1,466,155,009 : x
  2. Step 2: Convert to fraction form
    668,507,423/1,466,155,009 = 1,466,155,009/x
  3. Step 3: Cross multiply
    668,507,423x = 1,466,155,009 × 1,466,155,009
  4. Step 4: Simplify right side
    668,507,423x = 2,149,610,510,415,790,080
  5. Step 5: Solve for x
    x = 2,149,610,510,415,790,080/668,507,423
  6. Step 6: Final answer
    x = 3,215,537,234.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.