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Finding the Third Proportional to 560,873 and 1,216,378

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Solution

The third proportional to 560,873 and 1,216,378 is: 2,637,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,873 : 1,216,378 = 1,216,378 : x
  2. Step 2: Convert to fraction form
    560,873/1,216,378 = 1,216,378/x
  3. Step 3: Cross multiply
    560,873x = 1,216,378 × 1,216,378
  4. Step 4: Simplify right side
    560,873x = 1,479,575,438,884
  5. Step 5: Solve for x
    x = 1,479,575,438,884/560,873
  6. Step 6: Final answer
    x = 2,637,986.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.