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Finding the Third Proportional to 7,518,672 and 12,106,161

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Solution

The third proportional to 7,518,672 and 12,106,161 is: 19,492,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,672 : 12,106,161 = 12,106,161 : x
  2. Step 2: Convert to fraction form
    7,518,672/12,106,161 = 12,106,161/x
  3. Step 3: Cross multiply
    7,518,672x = 12,106,161 × 12,106,161
  4. Step 4: Simplify right side
    7,518,672x = 146,559,134,157,921
  5. Step 5: Solve for x
    x = 146,559,134,157,921/7,518,672
  6. Step 6: Final answer
    x = 19,492,688.89

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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.