Home / 30,281,809.50-66,616,779.38

Finding the Third Proportional to 30,281,809.50 and 66,616,779.38

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Solution

The third proportional to 30,281,809.50 and 66,616,779.38 is: 146,549,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,809.50 : 66,616,779.38 = 66,616,779.38 : x
  2. Step 2: Convert to fraction form
    30,281,809.50/66,616,779.38 = 66,616,779.38/x
  3. Step 3: Cross multiply
    30,281,809.50x = 66,616,779.38 × 66,616,779.38
  4. Step 4: Simplify right side
    30,281,809.50x = 4,437,795,294,297,425.50
  5. Step 5: Solve for x
    x = 4,437,795,294,297,425.50/30,281,809.50
  6. Step 6: Final answer
    x = 146,549,871.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.