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Finding the Third Proportional to 18,047,508.75 and 38,971,519.88

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Solution

The third proportional to 18,047,508.75 and 38,971,519.88 is: 84,154,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047,508.75 : 38,971,519.88 = 38,971,519.88 : x
  2. Step 2: Convert to fraction form
    18,047,508.75/38,971,519.88 = 38,971,519.88/x
  3. Step 3: Cross multiply
    18,047,508.75x = 38,971,519.88 × 38,971,519.88
  4. Step 4: Simplify right side
    18,047,508.75x = 1,518,779,361,367,520
  5. Step 5: Solve for x
    x = 1,518,779,361,367,520/18,047,508.75
  6. Step 6: Final answer
    x = 84,154,515.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.