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Finding the Third Proportional to 631,065 and 1,358,358

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Solution

The third proportional to 631,065 and 1,358,358 is: 2,923,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,065 : 1,358,358 = 1,358,358 : x
  2. Step 2: Convert to fraction form
    631,065/1,358,358 = 1,358,358/x
  3. Step 3: Cross multiply
    631,065x = 1,358,358 × 1,358,358
  4. Step 4: Simplify right side
    631,065x = 1,845,136,456,164
  5. Step 5: Solve for x
    x = 1,845,136,456,164/631,065
  6. Step 6: Final answer
    x = 2,923,845.33

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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.