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Finding the Third Proportional to 397,770 and 602,433

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Solution

The third proportional to 397,770 and 602,433 is: 912,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,770 : 602,433 = 602,433 : x
  2. Step 2: Convert to fraction form
    397,770/602,433 = 602,433/x
  3. Step 3: Cross multiply
    397,770x = 602,433 × 602,433
  4. Step 4: Simplify right side
    397,770x = 362,925,519,489
  5. Step 5: Solve for x
    x = 362,925,519,489/397,770
  6. Step 6: Final answer
    x = 912,400.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.