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Finding the Third Proportional to 21,415,225.50 and 47,081,979

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Solution

The third proportional to 21,415,225.50 and 47,081,979 is: 103,511,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415,225.50 : 47,081,979 = 47,081,979 : x
  2. Step 2: Convert to fraction form
    21,415,225.50/47,081,979 = 47,081,979/x
  3. Step 3: Cross multiply
    21,415,225.50x = 47,081,979 × 47,081,979
  4. Step 4: Simplify right side
    21,415,225.50x = 2,216,712,746,556,441
  5. Step 5: Solve for x
    x = 2,216,712,746,556,441/21,415,225.50
  6. Step 6: Final answer
    x = 103,511,062.56

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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.