Home / 1,290,188.25-2,049,330.38

Finding the Third Proportional to 1,290,188.25 and 2,049,330.38

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Solution

The third proportional to 1,290,188.25 and 2,049,330.38 is: 3,255,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,188.25 : 2,049,330.38 = 2,049,330.38 : x
  2. Step 2: Convert to fraction form
    1,290,188.25/2,049,330.38 = 2,049,330.38/x
  3. Step 3: Cross multiply
    1,290,188.25x = 2,049,330.38 × 2,049,330.38
  4. Step 4: Simplify right side
    1,290,188.25x = 4,199,754,985,897.64
  5. Step 5: Solve for x
    x = 4,199,754,985,897.64/1,290,188.25
  6. Step 6: Final answer
    x = 3,255,149.00

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.