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Finding the Third Proportional to 8,771,994 and 13,157,991

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Solution

The third proportional to 8,771,994 and 13,157,991 is: 19,736,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771,994 : 13,157,991 = 13,157,991 : x
  2. Step 2: Convert to fraction form
    8,771,994/13,157,991 = 13,157,991/x
  3. Step 3: Cross multiply
    8,771,994x = 13,157,991 × 13,157,991
  4. Step 4: Simplify right side
    8,771,994x = 173,132,727,156,081
  5. Step 5: Solve for x
    x = 173,132,727,156,081/8,771,994
  6. Step 6: Final answer
    x = 19,736,986.50

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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.