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Finding the Third Proportional to 9,138,646.50 and 20,071,009

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Solution

The third proportional to 9,138,646.50 and 20,071,009 is: 44,081,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,646.50 : 20,071,009 = 20,071,009 : x
  2. Step 2: Convert to fraction form
    9,138,646.50/20,071,009 = 20,071,009/x
  3. Step 3: Cross multiply
    9,138,646.50x = 20,071,009 × 20,071,009
  4. Step 4: Simplify right side
    9,138,646.50x = 402,845,402,278,081
  5. Step 5: Solve for x
    x = 402,845,402,278,081/9,138,646.50
  6. Step 6: Final answer
    x = 44,081,517.13

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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.