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Finding the Third Proportional to 98,769,294 and 217,091,489.98

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Solution

The third proportional to 98,769,294 and 217,091,489.98 is: 477,159,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,769,294 : 217,091,489.98 = 217,091,489.98 : x
  2. Step 2: Convert to fraction form
    98,769,294/217,091,489.98 = 217,091,489.98/x
  3. Step 3: Cross multiply
    98,769,294x = 217,091,489.98 × 217,091,489.98
  4. Step 4: Simplify right side
    98,769,294x = 47,128,715,020,247,200
  5. Step 5: Solve for x
    x = 47,128,715,020,247,200/98,769,294
  6. Step 6: Final answer
    x = 477,159,581.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.