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Finding the Third Proportional to 10,355,981 and 15,533,972

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Solution

The third proportional to 10,355,981 and 15,533,972 is: 23,300,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,981 : 15,533,972 = 15,533,972 : x
  2. Step 2: Convert to fraction form
    10,355,981/15,533,972 = 15,533,972/x
  3. Step 3: Cross multiply
    10,355,981x = 15,533,972 × 15,533,972
  4. Step 4: Simplify right side
    10,355,981x = 241,304,286,096,784
  5. Step 5: Solve for x
    x = 241,304,286,096,784/10,355,981
  6. Step 6: Final answer
    x = 23,300,958.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.