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Finding the Third Proportional to 7,111,940 and 15,335,880

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Solution

The third proportional to 7,111,940 and 15,335,880 is: 33,069,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,940 : 15,335,880 = 15,335,880 : x
  2. Step 2: Convert to fraction form
    7,111,940/15,335,880 = 15,335,880/x
  3. Step 3: Cross multiply
    7,111,940x = 15,335,880 × 15,335,880
  4. Step 4: Simplify right side
    7,111,940x = 235,189,215,374,400
  5. Step 5: Solve for x
    x = 235,189,215,374,400/7,111,940
  6. Step 6: Final answer
    x = 33,069,628.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.