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Finding the Third Proportional to 612,915.75 and 1,299,561.75

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Solution

The third proportional to 612,915.75 and 1,299,561.75 is: 2,755,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,915.75 : 1,299,561.75 = 1,299,561.75 : x
  2. Step 2: Convert to fraction form
    612,915.75/1,299,561.75 = 1,299,561.75/x
  3. Step 3: Cross multiply
    612,915.75x = 1,299,561.75 × 1,299,561.75
  4. Step 4: Simplify right side
    612,915.75x = 1,688,860,742,063.06
  5. Step 5: Solve for x
    x = 1,688,860,742,063.06/612,915.75
  6. Step 6: Final answer
    x = 2,755,453.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.