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Finding the Third Proportional to 67,954,618.50 and 147,246,639

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Solution

The third proportional to 67,954,618.50 and 147,246,639 is: 319,059,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954,618.50 : 147,246,639 = 147,246,639 : x
  2. Step 2: Convert to fraction form
    67,954,618.50/147,246,639 = 147,246,639/x
  3. Step 3: Cross multiply
    67,954,618.50x = 147,246,639 × 147,246,639
  4. Step 4: Simplify right side
    67,954,618.50x = 21,681,572,696,796,320
  5. Step 5: Solve for x
    x = 21,681,572,696,796,320/67,954,618.50
  6. Step 6: Final answer
    x = 319,059,589.70

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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.