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Finding the Third Proportional to 2,153,260 and 4,529,720

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Solution

The third proportional to 2,153,260 and 4,529,720 is: 9,528,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,260 : 4,529,720 = 4,529,720 : x
  2. Step 2: Convert to fraction form
    2,153,260/4,529,720 = 4,529,720/x
  3. Step 3: Cross multiply
    2,153,260x = 4,529,720 × 4,529,720
  4. Step 4: Simplify right side
    2,153,260x = 20,518,363,278,400
  5. Step 5: Solve for x
    x = 20,518,363,278,400/2,153,260
  6. Step 6: Final answer
    x = 9,528,976.19

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.