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Finding the Third Proportional to 8,973,330 and 13,920,906

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Solution

The third proportional to 8,973,330 and 13,920,906 is: 21,596,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,330 : 13,920,906 = 13,920,906 : x
  2. Step 2: Convert to fraction form
    8,973,330/13,920,906 = 13,920,906/x
  3. Step 3: Cross multiply
    8,973,330x = 13,920,906 × 13,920,906
  4. Step 4: Simplify right side
    8,973,330x = 193,791,623,860,836
  5. Step 5: Solve for x
    x = 193,791,623,860,836/8,973,330
  6. Step 6: Final answer
    x = 21,596,399.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.