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Finding the Third Proportional to 443,391 and 975,356

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Solution

The third proportional to 443,391 and 975,356 is: 2,145,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,391 : 975,356 = 975,356 : x
  2. Step 2: Convert to fraction form
    443,391/975,356 = 975,356/x
  3. Step 3: Cross multiply
    443,391x = 975,356 × 975,356
  4. Step 4: Simplify right side
    443,391x = 951,319,326,736
  5. Step 5: Solve for x
    x = 951,319,326,736/443,391
  6. Step 6: Final answer
    x = 2,145,553.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.