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Finding the Third Proportional to 3,130,218 and 4,192,803

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Solution

The third proportional to 3,130,218 and 4,192,803 is: 5,616,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,218 : 4,192,803 = 4,192,803 : x
  2. Step 2: Convert to fraction form
    3,130,218/4,192,803 = 4,192,803/x
  3. Step 3: Cross multiply
    3,130,218x = 4,192,803 × 4,192,803
  4. Step 4: Simplify right side
    3,130,218x = 17,579,596,996,809
  5. Step 5: Solve for x
    x = 17,579,596,996,809/3,130,218
  6. Step 6: Final answer
    x = 5,616,093.51

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.