Home / 13,859,140.50-20,670,126.75

Finding the Third Proportional to 13,859,140.50 and 20,670,126.75

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Solution

The third proportional to 13,859,140.50 and 20,670,126.75 is: 30,828,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,140.50 : 20,670,126.75 = 20,670,126.75 : x
  2. Step 2: Convert to fraction form
    13,859,140.50/20,670,126.75 = 20,670,126.75/x
  3. Step 3: Cross multiply
    13,859,140.50x = 20,670,126.75 × 20,670,126.75
  4. Step 4: Simplify right side
    13,859,140.50x = 427,254,139,861,065.56
  5. Step 5: Solve for x
    x = 427,254,139,861,065.56/13,859,140.50
  6. Step 6: Final answer
    x = 30,828,328.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.