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Finding the Third Proportional to 4,707,831 and 9,980,637

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Solution

The third proportional to 4,707,831 and 9,980,637 is: 21,159,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707,831 : 9,980,637 = 9,980,637 : x
  2. Step 2: Convert to fraction form
    4,707,831/9,980,637 = 9,980,637/x
  3. Step 3: Cross multiply
    4,707,831x = 9,980,637 × 9,980,637
  4. Step 4: Simplify right side
    4,707,831x = 99,613,114,925,769
  5. Step 5: Solve for x
    x = 99,613,114,925,769/4,707,831
  6. Step 6: Final answer
    x = 21,159,025.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.