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Finding the Third Proportional to 38,482,020 and 80,148,312

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Solution

The third proportional to 38,482,020 and 80,148,312 is: 166,928,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482,020 : 80,148,312 = 80,148,312 : x
  2. Step 2: Convert to fraction form
    38,482,020/80,148,312 = 80,148,312/x
  3. Step 3: Cross multiply
    38,482,020x = 80,148,312 × 80,148,312
  4. Step 4: Simplify right side
    38,482,020x = 6,423,751,916,449,344
  5. Step 5: Solve for x
    x = 6,423,751,916,449,344/38,482,020
  6. Step 6: Final answer
    x = 166,928,656.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.