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Finding the Third Proportional to 491,762 and 742,161

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Solution

The third proportional to 491,762 and 742,161 is: 1,120,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,762 : 742,161 = 742,161 : x
  2. Step 2: Convert to fraction form
    491,762/742,161 = 742,161/x
  3. Step 3: Cross multiply
    491,762x = 742,161 × 742,161
  4. Step 4: Simplify right side
    491,762x = 550,802,949,921
  5. Step 5: Solve for x
    x = 550,802,949,921/491,762
  6. Step 6: Final answer
    x = 1,120,060.01

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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.