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Finding the Third Proportional to 691,918.88 and 1,497,561.75

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Solution

The third proportional to 691,918.88 and 1,497,561.75 is: 3,241,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,918.88 : 1,497,561.75 = 1,497,561.75 : x
  2. Step 2: Convert to fraction form
    691,918.88/1,497,561.75 = 1,497,561.75/x
  3. Step 3: Cross multiply
    691,918.88x = 1,497,561.75 × 1,497,561.75
  4. Step 4: Simplify right side
    691,918.88x = 2,242,691,195,063.06
  5. Step 5: Solve for x
    x = 2,242,691,195,063.06/691,918.88
  6. Step 6: Final answer
    x = 3,241,263.21

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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.