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Finding the Third Proportional to 4,681,040 and 6,990,928

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Solution

The third proportional to 4,681,040 and 6,990,928 is: 10,440,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,040 : 6,990,928 = 6,990,928 : x
  2. Step 2: Convert to fraction form
    4,681,040/6,990,928 = 6,990,928/x
  3. Step 3: Cross multiply
    4,681,040x = 6,990,928 × 6,990,928
  4. Step 4: Simplify right side
    4,681,040x = 48,873,074,301,184
  5. Step 5: Solve for x
    x = 48,873,074,301,184/4,681,040
  6. Step 6: Final answer
    x = 10,440,644.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.