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Finding the Third Proportional to 719,211 and 1,091,937

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Solution

The third proportional to 719,211 and 1,091,937 is: 1,657,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,211 : 1,091,937 = 1,091,937 : x
  2. Step 2: Convert to fraction form
    719,211/1,091,937 = 1,091,937/x
  3. Step 3: Cross multiply
    719,211x = 1,091,937 × 1,091,937
  4. Step 4: Simplify right side
    719,211x = 1,192,326,411,969
  5. Step 5: Solve for x
    x = 1,192,326,411,969/719,211
  6. Step 6: Final answer
    x = 1,657,825.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.