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Finding the Third Proportional to 38,885,920 and 85,091,552

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Solution

The third proportional to 38,885,920 and 85,091,552 is: 186,200,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885,920 : 85,091,552 = 85,091,552 : x
  2. Step 2: Convert to fraction form
    38,885,920/85,091,552 = 85,091,552/x
  3. Step 3: Cross multiply
    38,885,920x = 85,091,552 × 85,091,552
  4. Step 4: Simplify right side
    38,885,920x = 7,240,572,221,768,704
  5. Step 5: Solve for x
    x = 7,240,572,221,768,704/38,885,920
  6. Step 6: Final answer
    x = 186,200,357.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.