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Finding the Third Proportional to 740,405.25 and 1,119,721.50

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Solution

The third proportional to 740,405.25 and 1,119,721.50 is: 1,693,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,405.25 : 1,119,721.50 = 1,119,721.50 : x
  2. Step 2: Convert to fraction form
    740,405.25/1,119,721.50 = 1,119,721.50/x
  3. Step 3: Cross multiply
    740,405.25x = 1,119,721.50 × 1,119,721.50
  4. Step 4: Simplify right side
    740,405.25x = 1,253,776,237,562.25
  5. Step 5: Solve for x
    x = 1,253,776,237,562.25/740,405.25
  6. Step 6: Final answer
    x = 1,693,364.87

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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.