Home / 1,370,844.84-2,121,572.25

Finding the Third Proportional to 1,370,844.84 and 2,121,572.25

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Solution

The third proportional to 1,370,844.84 and 2,121,572.25 is: 3,283,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,844.84 : 2,121,572.25 = 2,121,572.25 : x
  2. Step 2: Convert to fraction form
    1,370,844.84/2,121,572.25 = 2,121,572.25/x
  3. Step 3: Cross multiply
    1,370,844.84x = 2,121,572.25 × 2,121,572.25
  4. Step 4: Simplify right side
    1,370,844.84x = 4,501,068,811,970.06
  5. Step 5: Solve for x
    x = 4,501,068,811,970.06/1,370,844.84
  6. Step 6: Final answer
    x = 3,283,426.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.