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Finding the Third Proportional to 528,572 and 1,100,920

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Solution

The third proportional to 528,572 and 1,100,920 is: 2,293,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,572 : 1,100,920 = 1,100,920 : x
  2. Step 2: Convert to fraction form
    528,572/1,100,920 = 1,100,920/x
  3. Step 3: Cross multiply
    528,572x = 1,100,920 × 1,100,920
  4. Step 4: Simplify right side
    528,572x = 1,212,024,846,400
  5. Step 5: Solve for x
    x = 1,212,024,846,400/528,572
  6. Step 6: Final answer
    x = 2,293,017.50

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.