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Finding the Third Proportional to 17,712,536 and 28,922,978

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Solution

The third proportional to 17,712,536 and 28,922,978 is: 47,228,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712,536 : 28,922,978 = 28,922,978 : x
  2. Step 2: Convert to fraction form
    17,712,536/28,922,978 = 28,922,978/x
  3. Step 3: Cross multiply
    17,712,536x = 28,922,978 × 28,922,978
  4. Step 4: Simplify right side
    17,712,536x = 836,538,656,388,484
  5. Step 5: Solve for x
    x = 836,538,656,388,484/17,712,536
  6. Step 6: Final answer
    x = 47,228,621.38

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.