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Finding the Third Proportional to 9,116,155 and 13,905,750

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Solution

The third proportional to 9,116,155 and 13,905,750 is: 21,211,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116,155 : 13,905,750 = 13,905,750 : x
  2. Step 2: Convert to fraction form
    9,116,155/13,905,750 = 13,905,750/x
  3. Step 3: Cross multiply
    9,116,155x = 13,905,750 × 13,905,750
  4. Step 4: Simplify right side
    9,116,155x = 193,369,883,062,500
  5. Step 5: Solve for x
    x = 193,369,883,062,500/9,116,155
  6. Step 6: Final answer
    x = 21,211,780.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.