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Finding the Third Proportional to 5,386,864 and 11,628,358

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Solution

The third proportional to 5,386,864 and 11,628,358 is: 25,101,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,864 : 11,628,358 = 11,628,358 : x
  2. Step 2: Convert to fraction form
    5,386,864/11,628,358 = 11,628,358/x
  3. Step 3: Cross multiply
    5,386,864x = 11,628,358 × 11,628,358
  4. Step 4: Simplify right side
    5,386,864x = 135,218,709,776,164
  5. Step 5: Solve for x
    x = 135,218,709,776,164/5,386,864
  6. Step 6: Final answer
    x = 25,101,563.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.