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Finding the Third Proportional to 4,193,460 and 9,172,053

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Solution

The third proportional to 4,193,460 and 9,172,053 is: 20,061,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193,460 : 9,172,053 = 9,172,053 : x
  2. Step 2: Convert to fraction form
    4,193,460/9,172,053 = 9,172,053/x
  3. Step 3: Cross multiply
    4,193,460x = 9,172,053 × 9,172,053
  4. Step 4: Simplify right side
    4,193,460x = 84,126,556,234,809
  5. Step 5: Solve for x
    x = 84,126,556,234,809/4,193,460
  6. Step 6: Final answer
    x = 20,061,370.86

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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.