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Finding the Third Proportional to 436,345 and 675,253

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Solution

The third proportional to 436,345 and 675,253 is: 1,044,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,345 : 675,253 = 675,253 : x
  2. Step 2: Convert to fraction form
    436,345/675,253 = 675,253/x
  3. Step 3: Cross multiply
    436,345x = 675,253 × 675,253
  4. Step 4: Simplify right side
    436,345x = 455,966,614,009
  5. Step 5: Solve for x
    x = 455,966,614,009/436,345
  6. Step 6: Final answer
    x = 1,044,968.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.