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Finding the Third Proportional to 375,924 and 826,620

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Solution

The third proportional to 375,924 and 826,620 is: 1,817,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,924 : 826,620 = 826,620 : x
  2. Step 2: Convert to fraction form
    375,924/826,620 = 826,620/x
  3. Step 3: Cross multiply
    375,924x = 826,620 × 826,620
  4. Step 4: Simplify right side
    375,924x = 683,300,624,400
  5. Step 5: Solve for x
    x = 683,300,624,400/375,924
  6. Step 6: Final answer
    x = 1,817,656.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.