Home / 2,159,869.50-4,640,267.25

Finding the Third Proportional to 2,159,869.50 and 4,640,267.25

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Solution

The third proportional to 2,159,869.50 and 4,640,267.25 is: 9,969,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,869.50 : 4,640,267.25 = 4,640,267.25 : x
  2. Step 2: Convert to fraction form
    2,159,869.50/4,640,267.25 = 4,640,267.25/x
  3. Step 3: Cross multiply
    2,159,869.50x = 4,640,267.25 × 4,640,267.25
  4. Step 4: Simplify right side
    2,159,869.50x = 21,532,080,151,422.56
  5. Step 5: Solve for x
    x = 21,532,080,151,422.56/2,159,869.50
  6. Step 6: Final answer
    x = 9,969,157.93

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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.