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Finding the Third Proportional to 15,780,770 and 33,999,322

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Solution

The third proportional to 15,780,770 and 33,999,322 is: 73,250,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,770 : 33,999,322 = 33,999,322 : x
  2. Step 2: Convert to fraction form
    15,780,770/33,999,322 = 33,999,322/x
  3. Step 3: Cross multiply
    15,780,770x = 33,999,322 × 33,999,322
  4. Step 4: Simplify right side
    15,780,770x = 1,155,953,896,459,684
  5. Step 5: Solve for x
    x = 1,155,953,896,459,684/15,780,770
  6. Step 6: Final answer
    x = 73,250,791.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.