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Finding the Third Proportional to 21,400,766 and 47,702,928

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Solution

The third proportional to 21,400,766 and 47,702,928 is: 106,331,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,766 : 47,702,928 = 47,702,928 : x
  2. Step 2: Convert to fraction form
    21,400,766/47,702,928 = 47,702,928/x
  3. Step 3: Cross multiply
    21,400,766x = 47,702,928 × 47,702,928
  4. Step 4: Simplify right side
    21,400,766x = 2,275,569,339,773,184
  5. Step 5: Solve for x
    x = 2,275,569,339,773,184/21,400,766
  6. Step 6: Final answer
    x = 106,331,209.82

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.