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Finding the Third Proportional to 577,515 and 1,391,301

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Solution

The third proportional to 577,515 and 1,391,301 is: 3,351,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,515 : 1,391,301 = 1,391,301 : x
  2. Step 2: Convert to fraction form
    577,515/1,391,301 = 1,391,301/x
  3. Step 3: Cross multiply
    577,515x = 1,391,301 × 1,391,301
  4. Step 4: Simplify right side
    577,515x = 1,935,718,472,601
  5. Step 5: Solve for x
    x = 1,935,718,472,601/577,515
  6. Step 6: Final answer
    x = 3,351,806.40

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.