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Finding the Third Proportional to 357,256 and 751,280

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Solution

The third proportional to 357,256 and 751,280 is: 1,579,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,256 : 751,280 = 751,280 : x
  2. Step 2: Convert to fraction form
    357,256/751,280 = 751,280/x
  3. Step 3: Cross multiply
    357,256x = 751,280 × 751,280
  4. Step 4: Simplify right side
    357,256x = 564,421,638,400
  5. Step 5: Solve for x
    x = 564,421,638,400/357,256
  6. Step 6: Final answer
    x = 1,579,880.08

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.