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Finding the Third Proportional to 719,619 and 1,551,339

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Solution

The third proportional to 719,619 and 1,551,339 is: 3,344,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,619 : 1,551,339 = 1,551,339 : x
  2. Step 2: Convert to fraction form
    719,619/1,551,339 = 1,551,339/x
  3. Step 3: Cross multiply
    719,619x = 1,551,339 × 1,551,339
  4. Step 4: Simplify right side
    719,619x = 2,406,652,692,921
  5. Step 5: Solve for x
    x = 2,406,652,692,921/719,619
  6. Step 6: Final answer
    x = 3,344,342.90

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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.