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Finding the Third Proportional to 553,668 and 1,207,386

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Solution

The third proportional to 553,668 and 1,207,386 is: 2,632,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,668 : 1,207,386 = 1,207,386 : x
  2. Step 2: Convert to fraction form
    553,668/1,207,386 = 1,207,386/x
  3. Step 3: Cross multiply
    553,668x = 1,207,386 × 1,207,386
  4. Step 4: Simplify right side
    553,668x = 1,457,780,952,996
  5. Step 5: Solve for x
    x = 1,457,780,952,996/553,668
  6. Step 6: Final answer
    x = 2,632,951.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.