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Finding the Third Proportional to 12,171,416 and 18,955,050

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Solution

The third proportional to 12,171,416 and 18,955,050 is: 29,519,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,416 : 18,955,050 = 18,955,050 : x
  2. Step 2: Convert to fraction form
    12,171,416/18,955,050 = 18,955,050/x
  3. Step 3: Cross multiply
    12,171,416x = 18,955,050 × 18,955,050
  4. Step 4: Simplify right side
    12,171,416x = 359,293,920,502,500
  5. Step 5: Solve for x
    x = 359,293,920,502,500/12,171,416
  6. Step 6: Final answer
    x = 29,519,484.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.