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Finding the Third Proportional to 3,139,319 and 4,708,979

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Solution

The third proportional to 3,139,319 and 4,708,979 is: 7,063,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,319 : 4,708,979 = 4,708,979 : x
  2. Step 2: Convert to fraction form
    3,139,319/4,708,979 = 4,708,979/x
  3. Step 3: Cross multiply
    3,139,319x = 4,708,979 × 4,708,979
  4. Step 4: Simplify right side
    3,139,319x = 22,174,483,222,441
  5. Step 5: Solve for x
    x = 22,174,483,222,441/3,139,319
  6. Step 6: Final answer
    x = 7,063,469.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.