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Finding the Third Proportional to 528,043 and 1,121,533

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Solution

The third proportional to 528,043 and 1,121,533 is: 2,382,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,043 : 1,121,533 = 1,121,533 : x
  2. Step 2: Convert to fraction form
    528,043/1,121,533 = 1,121,533/x
  3. Step 3: Cross multiply
    528,043x = 1,121,533 × 1,121,533
  4. Step 4: Simplify right side
    528,043x = 1,257,836,270,089
  5. Step 5: Solve for x
    x = 1,257,836,270,089/528,043
  6. Step 6: Final answer
    x = 2,382,071.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.