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Finding the Third Proportional to 42,921,615.75 and 92,968,476.75

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Solution

The third proportional to 42,921,615.75 and 92,968,476.75 is: 201,370,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,615.75 : 92,968,476.75 = 92,968,476.75 : x
  2. Step 2: Convert to fraction form
    42,921,615.75/92,968,476.75 = 92,968,476.75/x
  3. Step 3: Cross multiply
    42,921,615.75x = 92,968,476.75 × 92,968,476.75
  4. Step 4: Simplify right side
    42,921,615.75x = 8,643,137,669,215,291
  5. Step 5: Solve for x
    x = 8,643,137,669,215,291/42,921,615.75
  6. Step 6: Final answer
    x = 201,370,277.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.