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Finding the Third Proportional to 876,278 and 1,330,815

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Solution

The third proportional to 876,278 and 1,330,815 is: 2,021,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,278 : 1,330,815 = 1,330,815 : x
  2. Step 2: Convert to fraction form
    876,278/1,330,815 = 1,330,815/x
  3. Step 3: Cross multiply
    876,278x = 1,330,815 × 1,330,815
  4. Step 4: Simplify right side
    876,278x = 1,771,068,564,225
  5. Step 5: Solve for x
    x = 1,771,068,564,225/876,278
  6. Step 6: Final answer
    x = 2,021,126.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.