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Finding the Third Proportional to 245,697 and 535,863

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Solution

The third proportional to 245,697 and 535,863 is: 1,168,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,697 : 535,863 = 535,863 : x
  2. Step 2: Convert to fraction form
    245,697/535,863 = 535,863/x
  3. Step 3: Cross multiply
    245,697x = 535,863 × 535,863
  4. Step 4: Simplify right side
    245,697x = 287,149,154,769
  5. Step 5: Solve for x
    x = 287,149,154,769/245,697
  6. Step 6: Final answer
    x = 1,168,712.50

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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.