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Finding the Third Proportional to 15,999,820 and 35,113,878

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Solution

The third proportional to 15,999,820 and 35,113,878 is: 77,062,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,820 : 35,113,878 = 35,113,878 : x
  2. Step 2: Convert to fraction form
    15,999,820/35,113,878 = 35,113,878/x
  3. Step 3: Cross multiply
    15,999,820x = 35,113,878 × 35,113,878
  4. Step 4: Simplify right side
    15,999,820x = 1,232,984,428,198,884
  5. Step 5: Solve for x
    x = 1,232,984,428,198,884/15,999,820
  6. Step 6: Final answer
    x = 77,062,393.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.