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Finding the Third Proportional to 122,537 and 265,430

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Solution

The third proportional to 122,537 and 265,430 is: 574,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,537 : 265,430 = 265,430 : x
  2. Step 2: Convert to fraction form
    122,537/265,430 = 265,430/x
  3. Step 3: Cross multiply
    122,537x = 265,430 × 265,430
  4. Step 4: Simplify right side
    122,537x = 70,453,084,900
  5. Step 5: Solve for x
    x = 70,453,084,900/122,537
  6. Step 6: Final answer
    x = 574,953.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.