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Finding the Third Proportional to 396,010 and 525,114

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Solution

The third proportional to 396,010 and 525,114 is: 696,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,010 : 525,114 = 525,114 : x
  2. Step 2: Convert to fraction form
    396,010/525,114 = 525,114/x
  3. Step 3: Cross multiply
    396,010x = 525,114 × 525,114
  4. Step 4: Simplify right side
    396,010x = 275,744,712,996
  5. Step 5: Solve for x
    x = 275,744,712,996/396,010
  6. Step 6: Final answer
    x = 696,307.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.