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Finding the Third Proportional to 68,653,028 and 103,617,989

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Solution

The third proportional to 68,653,028 and 103,617,989 is: 156,390,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,028 : 103,617,989 = 103,617,989 : x
  2. Step 2: Convert to fraction form
    68,653,028/103,617,989 = 103,617,989/x
  3. Step 3: Cross multiply
    68,653,028x = 103,617,989 × 103,617,989
  4. Step 4: Simplify right side
    68,653,028x = 10,736,687,644,404,120
  5. Step 5: Solve for x
    x = 10,736,687,644,404,120/68,653,028
  6. Step 6: Final answer
    x = 156,390,591.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.