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Finding the Third Proportional to 245,447 and 529,623

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Solution

The third proportional to 245,447 and 529,623 is: 1,142,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,447 : 529,623 = 529,623 : x
  2. Step 2: Convert to fraction form
    245,447/529,623 = 529,623/x
  3. Step 3: Cross multiply
    245,447x = 529,623 × 529,623
  4. Step 4: Simplify right side
    245,447x = 280,500,522,129
  5. Step 5: Solve for x
    x = 280,500,522,129/245,447
  6. Step 6: Final answer
    x = 1,142,815.04

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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.