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Finding the Third Proportional to 607,628 and 1,329,668

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Solution

The third proportional to 607,628 and 1,329,668 is: 2,909,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,628 : 1,329,668 = 1,329,668 : x
  2. Step 2: Convert to fraction form
    607,628/1,329,668 = 1,329,668/x
  3. Step 3: Cross multiply
    607,628x = 1,329,668 × 1,329,668
  4. Step 4: Simplify right side
    607,628x = 1,768,016,990,224
  5. Step 5: Solve for x
    x = 1,768,016,990,224/607,628
  6. Step 6: Final answer
    x = 2,909,702.96

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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.