Home / 1,000,979.38-2,159,422.63

Finding the Third Proportional to 1,000,979.38 and 2,159,422.63

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Solution

The third proportional to 1,000,979.38 and 2,159,422.63 is: 4,658,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,979.38 : 2,159,422.63 = 2,159,422.63 : x
  2. Step 2: Convert to fraction form
    1,000,979.38/2,159,422.63 = 2,159,422.63/x
  3. Step 3: Cross multiply
    1,000,979.38x = 2,159,422.63 × 2,159,422.63
  4. Step 4: Simplify right side
    1,000,979.38x = 4,663,106,073,361.89
  5. Step 5: Solve for x
    x = 4,663,106,073,361.89/1,000,979.38
  6. Step 6: Final answer
    x = 4,658,543.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.