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Finding the Third Proportional to 250,374 and 556,720

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Solution

The third proportional to 250,374 and 556,720 is: 1,237,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,374 : 556,720 = 556,720 : x
  2. Step 2: Convert to fraction form
    250,374/556,720 = 556,720/x
  3. Step 3: Cross multiply
    250,374x = 556,720 × 556,720
  4. Step 4: Simplify right side
    250,374x = 309,937,158,400
  5. Step 5: Solve for x
    x = 309,937,158,400/250,374
  6. Step 6: Final answer
    x = 1,237,896.74

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.