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Finding the Third Proportional to 909,302 and 1,515,440

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Solution

The third proportional to 909,302 and 1,515,440 is: 2,525,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,302 : 1,515,440 = 1,515,440 : x
  2. Step 2: Convert to fraction form
    909,302/1,515,440 = 1,515,440/x
  3. Step 3: Cross multiply
    909,302x = 1,515,440 × 1,515,440
  4. Step 4: Simplify right side
    909,302x = 2,296,558,393,600
  5. Step 5: Solve for x
    x = 2,296,558,393,600/909,302
  6. Step 6: Final answer
    x = 2,525,627.78

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.