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Finding the Third Proportional to 6,903,158 and 10,805,421

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Solution

The third proportional to 6,903,158 and 10,805,421 is: 16,913,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903,158 : 10,805,421 = 10,805,421 : x
  2. Step 2: Convert to fraction form
    6,903,158/10,805,421 = 10,805,421/x
  3. Step 3: Cross multiply
    6,903,158x = 10,805,421 × 10,805,421
  4. Step 4: Simplify right side
    6,903,158x = 116,757,122,987,241
  5. Step 5: Solve for x
    x = 116,757,122,987,241/6,903,158
  6. Step 6: Final answer
    x = 16,913,581.14

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.