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Finding the Third Proportional to 68,653,154 and 103,618,168

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Solution

The third proportional to 68,653,154 and 103,618,168 is: 156,390,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,154 : 103,618,168 = 103,618,168 : x
  2. Step 2: Convert to fraction form
    68,653,154/103,618,168 = 103,618,168/x
  3. Step 3: Cross multiply
    68,653,154x = 103,618,168 × 103,618,168
  4. Step 4: Simplify right side
    68,653,154x = 10,736,724,739,676,224
  5. Step 5: Solve for x
    x = 10,736,724,739,676,224/68,653,154
  6. Step 6: Final answer
    x = 156,390,844.62

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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.