Home / 78,166,570.50-104,210,232.75

Finding the Third Proportional to 78,166,570.50 and 104,210,232.75

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Solution

The third proportional to 78,166,570.50 and 104,210,232.75 is: 138,931,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,166,570.50 : 104,210,232.75 = 104,210,232.75 : x
  2. Step 2: Convert to fraction form
    78,166,570.50/104,210,232.75 = 104,210,232.75/x
  3. Step 3: Cross multiply
    78,166,570.50x = 104,210,232.75 × 104,210,232.75
  4. Step 4: Simplify right side
    78,166,570.50x = 10,859,772,609,809,172
  5. Step 5: Solve for x
    x = 10,859,772,609,809,172/78,166,570.50
  6. Step 6: Final answer
    x = 138,931,163.80

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.