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Finding the Third Proportional to 7,909,500 and 17,011,320

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Solution

The third proportional to 7,909,500 and 17,011,320 is: 36,587,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,500 : 17,011,320 = 17,011,320 : x
  2. Step 2: Convert to fraction form
    7,909,500/17,011,320 = 17,011,320/x
  3. Step 3: Cross multiply
    7,909,500x = 17,011,320 × 17,011,320
  4. Step 4: Simplify right side
    7,909,500x = 289,385,008,142,400
  5. Step 5: Solve for x
    x = 289,385,008,142,400/7,909,500
  6. Step 6: Final answer
    x = 36,587,016.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.