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Finding the Third Proportional to 8,996,400 and 19,590,120

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Solution

The third proportional to 8,996,400 and 19,590,120 is: 42,658,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996,400 : 19,590,120 = 19,590,120 : x
  2. Step 2: Convert to fraction form
    8,996,400/19,590,120 = 19,590,120/x
  3. Step 3: Cross multiply
    8,996,400x = 19,590,120 × 19,590,120
  4. Step 4: Simplify right side
    8,996,400x = 383,772,801,614,400
  5. Step 5: Solve for x
    x = 383,772,801,614,400/8,996,400
  6. Step 6: Final answer
    x = 42,658,485.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.