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Finding the Third Proportional to 37,370,862 and 80,328,780

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Solution

The third proportional to 37,370,862 and 80,328,780 is: 172,666,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,370,862 : 80,328,780 = 80,328,780 : x
  2. Step 2: Convert to fraction form
    37,370,862/80,328,780 = 80,328,780/x
  3. Step 3: Cross multiply
    37,370,862x = 80,328,780 × 80,328,780
  4. Step 4: Simplify right side
    37,370,862x = 6,452,712,896,288,400
  5. Step 5: Solve for x
    x = 6,452,712,896,288,400/37,370,862
  6. Step 6: Final answer
    x = 172,666,953.64

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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.