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Finding the Third Proportional to 358,767 and 555,481

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Solution

The third proportional to 358,767 and 555,481 is: 860,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,767 : 555,481 = 555,481 : x
  2. Step 2: Convert to fraction form
    358,767/555,481 = 555,481/x
  3. Step 3: Cross multiply
    358,767x = 555,481 × 555,481
  4. Step 4: Simplify right side
    358,767x = 308,559,141,361
  5. Step 5: Solve for x
    x = 308,559,141,361/358,767
  6. Step 6: Final answer
    x = 860,054.41

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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.