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Finding the Third Proportional to 1,331,515 and 2,912,132

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Solution

The third proportional to 1,331,515 and 2,912,132 is: 6,369,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,515 : 2,912,132 = 2,912,132 : x
  2. Step 2: Convert to fraction form
    1,331,515/2,912,132 = 2,912,132/x
  3. Step 3: Cross multiply
    1,331,515x = 2,912,132 × 2,912,132
  4. Step 4: Simplify right side
    1,331,515x = 8,480,512,785,424
  5. Step 5: Solve for x
    x = 8,480,512,785,424/1,331,515
  6. Step 6: Final answer
    x = 6,369,070.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.