Home / 2,020,438.69-4,389,643.13

Finding the Third Proportional to 2,020,438.69 and 4,389,643.13

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Solution

The third proportional to 2,020,438.69 and 4,389,643.13 is: 9,537,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,438.69 : 4,389,643.13 = 4,389,643.13 : x
  2. Step 2: Convert to fraction form
    2,020,438.69/4,389,643.13 = 4,389,643.13/x
  3. Step 3: Cross multiply
    2,020,438.69x = 4,389,643.13 × 4,389,643.13
  4. Step 4: Simplify right side
    2,020,438.69x = 19,268,966,764,859.77
  5. Step 5: Solve for x
    x = 19,268,966,764,859.77/2,020,438.69
  6. Step 6: Final answer
    x = 9,537,021.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.