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Finding the Third Proportional to 20,917,030 and 45,307,364

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Solution

The third proportional to 20,917,030 and 45,307,364 is: 98,138,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,030 : 45,307,364 = 45,307,364 : x
  2. Step 2: Convert to fraction form
    20,917,030/45,307,364 = 45,307,364/x
  3. Step 3: Cross multiply
    20,917,030x = 45,307,364 × 45,307,364
  4. Step 4: Simplify right side
    20,917,030x = 2,052,757,232,628,496
  5. Step 5: Solve for x
    x = 2,052,757,232,628,496/20,917,030
  6. Step 6: Final answer
    x = 98,138,083.30

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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.