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Finding the Third Proportional to 515,173 and 1,106,521

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Solution

The third proportional to 515,173 and 1,106,521 is: 2,376,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,173 : 1,106,521 = 1,106,521 : x
  2. Step 2: Convert to fraction form
    515,173/1,106,521 = 1,106,521/x
  3. Step 3: Cross multiply
    515,173x = 1,106,521 × 1,106,521
  4. Step 4: Simplify right side
    515,173x = 1,224,388,723,441
  5. Step 5: Solve for x
    x = 1,224,388,723,441/515,173
  6. Step 6: Final answer
    x = 2,376,655.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.