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Finding the Third Proportional to 68,522,017.50 and 142,690,497.75

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Solution

The third proportional to 68,522,017.50 and 142,690,497.75 is: 297,139,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,522,017.50 : 142,690,497.75 = 142,690,497.75 : x
  2. Step 2: Convert to fraction form
    68,522,017.50/142,690,497.75 = 142,690,497.75/x
  3. Step 3: Cross multiply
    68,522,017.50x = 142,690,497.75 × 142,690,497.75
  4. Step 4: Simplify right side
    68,522,017.50x = 20,360,578,148,142,756
  5. Step 5: Solve for x
    x = 20,360,578,148,142,756/68,522,017.50
  6. Step 6: Final answer
    x = 297,139,210.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.