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Finding the Third Proportional to 40,109,760 and 87,908,808

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Solution

The third proportional to 40,109,760 and 87,908,808 is: 192,670,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109,760 : 87,908,808 = 87,908,808 : x
  2. Step 2: Convert to fraction form
    40,109,760/87,908,808 = 87,908,808/x
  3. Step 3: Cross multiply
    40,109,760x = 87,908,808 × 87,908,808
  4. Step 4: Simplify right side
    40,109,760x = 7,727,958,523,980,864
  5. Step 5: Solve for x
    x = 7,727,958,523,980,864/40,109,760
  6. Step 6: Final answer
    x = 192,670,275.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.