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Finding the Third Proportional to 978,041 and 1,556,240

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Solution

The third proportional to 978,041 and 1,556,240 is: 2,476,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,041 : 1,556,240 = 1,556,240 : x
  2. Step 2: Convert to fraction form
    978,041/1,556,240 = 1,556,240/x
  3. Step 3: Cross multiply
    978,041x = 1,556,240 × 1,556,240
  4. Step 4: Simplify right side
    978,041x = 2,421,882,937,600
  5. Step 5: Solve for x
    x = 2,421,882,937,600/978,041
  6. Step 6: Final answer
    x = 2,476,259.11

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.