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Finding the Third Proportional to 4,376,616.75 and 7,031,990.25

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Solution

The third proportional to 4,376,616.75 and 7,031,990.25 is: 11,298,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376,616.75 : 7,031,990.25 = 7,031,990.25 : x
  2. Step 2: Convert to fraction form
    4,376,616.75/7,031,990.25 = 7,031,990.25/x
  3. Step 3: Cross multiply
    4,376,616.75x = 7,031,990.25 × 7,031,990.25
  4. Step 4: Simplify right side
    4,376,616.75x = 49,448,886,876,095.06
  5. Step 5: Solve for x
    x = 49,448,886,876,095.06/4,376,616.75
  6. Step 6: Final answer
    x = 11,298,427.46

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.