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Finding the Third Proportional to 7,105,857 and 15,628,572

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Solution

The third proportional to 7,105,857 and 15,628,572 is: 34,373,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,857 : 15,628,572 = 15,628,572 : x
  2. Step 2: Convert to fraction form
    7,105,857/15,628,572 = 15,628,572/x
  3. Step 3: Cross multiply
    7,105,857x = 15,628,572 × 15,628,572
  4. Step 4: Simplify right side
    7,105,857x = 244,252,262,759,184
  5. Step 5: Solve for x
    x = 244,252,262,759,184/7,105,857
  6. Step 6: Final answer
    x = 34,373,371.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.