Home / 31,299,059.75-66,905,507.50

Finding the Third Proportional to 31,299,059.75 and 66,905,507.50

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Solution

The third proportional to 31,299,059.75 and 66,905,507.50 is: 143,018,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299,059.75 : 66,905,507.50 = 66,905,507.50 : x
  2. Step 2: Convert to fraction form
    31,299,059.75/66,905,507.50 = 66,905,507.50/x
  3. Step 3: Cross multiply
    31,299,059.75x = 66,905,507.50 × 66,905,507.50
  4. Step 4: Simplify right side
    31,299,059.75x = 4,476,346,933,832,556
  5. Step 5: Solve for x
    x = 4,476,346,933,832,556/31,299,059.75
  6. Step 6: Final answer
    x = 143,018,575.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.