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Finding the Third Proportional to 7,181,721 and 15,358,770

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Solution

The third proportional to 7,181,721 and 15,358,770 is: 32,846,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,721 : 15,358,770 = 15,358,770 : x
  2. Step 2: Convert to fraction form
    7,181,721/15,358,770 = 15,358,770/x
  3. Step 3: Cross multiply
    7,181,721x = 15,358,770 × 15,358,770
  4. Step 4: Simplify right side
    7,181,721x = 235,891,815,912,900
  5. Step 5: Solve for x
    x = 235,891,815,912,900/7,181,721
  6. Step 6: Final answer
    x = 32,846,140.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.