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Finding the Third Proportional to 19,151,721 and 30,488,939.16

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Solution

The third proportional to 19,151,721 and 30,488,939.16 is: 48,537,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151,721 : 30,488,939.16 = 30,488,939.16 : x
  2. Step 2: Convert to fraction form
    19,151,721/30,488,939.16 = 30,488,939.16/x
  3. Step 3: Cross multiply
    19,151,721x = 30,488,939.16 × 30,488,939.16
  4. Step 4: Simplify right side
    19,151,721x = 929,575,410,873,514.50
  5. Step 5: Solve for x
    x = 929,575,410,873,514.50/19,151,721
  6. Step 6: Final answer
    x = 48,537,434.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.