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Finding the Third Proportional to 68,653,053 and 103,618,015

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Solution

The third proportional to 68,653,053 and 103,618,015 is: 156,390,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,053 : 103,618,015 = 103,618,015 : x
  2. Step 2: Convert to fraction form
    68,653,053/103,618,015 = 103,618,015/x
  3. Step 3: Cross multiply
    68,653,053x = 103,618,015 × 103,618,015
  4. Step 4: Simplify right side
    68,653,053x = 10,736,693,032,540,224
  5. Step 5: Solve for x
    x = 10,736,693,032,540,224/68,653,053
  6. Step 6: Final answer
    x = 156,390,612.85

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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.