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Finding the Third Proportional to 630,126.75 and 1,382,725.50

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Solution

The third proportional to 630,126.75 and 1,382,725.50 is: 3,034,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,126.75 : 1,382,725.50 = 1,382,725.50 : x
  2. Step 2: Convert to fraction form
    630,126.75/1,382,725.50 = 1,382,725.50/x
  3. Step 3: Cross multiply
    630,126.75x = 1,382,725.50 × 1,382,725.50
  4. Step 4: Simplify right side
    630,126.75x = 1,911,929,808,350.25
  5. Step 5: Solve for x
    x = 1,911,929,808,350.25/630,126.75
  6. Step 6: Final answer
    x = 3,034,198.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.