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Finding the Third Proportional to 555,720 and 841,383

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Solution

The third proportional to 555,720 and 841,383 is: 1,273,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,720 : 841,383 = 841,383 : x
  2. Step 2: Convert to fraction form
    555,720/841,383 = 841,383/x
  3. Step 3: Cross multiply
    555,720x = 841,383 × 841,383
  4. Step 4: Simplify right side
    555,720x = 707,925,352,689
  5. Step 5: Solve for x
    x = 707,925,352,689/555,720
  6. Step 6: Final answer
    x = 1,273,888.56

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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.