Home / 20,985,421.15-45,159,488.30

Finding the Third Proportional to 20,985,421.15 and 45,159,488.30

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Solution

The third proportional to 20,985,421.15 and 45,159,488.30 is: 97,180,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,985,421.15 : 45,159,488.30 = 45,159,488.30 : x
  2. Step 2: Convert to fraction form
    20,985,421.15/45,159,488.30 = 45,159,488.30/x
  3. Step 3: Cross multiply
    20,985,421.15x = 45,159,488.30 × 45,159,488.30
  4. Step 4: Simplify right side
    20,985,421.15x = 2,039,379,383,235,680.25
  5. Step 5: Solve for x
    x = 2,039,379,383,235,680.25/20,985,421.15
  6. Step 6: Final answer
    x = 97,180,769.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.