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Finding the Third Proportional to 520,022 and 1,120,940

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Solution

The third proportional to 520,022 and 1,120,940 is: 2,416,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,022 : 1,120,940 = 1,120,940 : x
  2. Step 2: Convert to fraction form
    520,022/1,120,940 = 1,120,940/x
  3. Step 3: Cross multiply
    520,022x = 1,120,940 × 1,120,940
  4. Step 4: Simplify right side
    520,022x = 1,256,506,483,600
  5. Step 5: Solve for x
    x = 1,256,506,483,600/520,022
  6. Step 6: Final answer
    x = 2,416,256.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.