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Finding the Third Proportional to 43,098,938 and 66,919,316

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Solution

The third proportional to 43,098,938 and 66,919,316 is: 103,904,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098,938 : 66,919,316 = 66,919,316 : x
  2. Step 2: Convert to fraction form
    43,098,938/66,919,316 = 66,919,316/x
  3. Step 3: Cross multiply
    43,098,938x = 66,919,316 × 66,919,316
  4. Step 4: Simplify right side
    43,098,938x = 4,478,194,853,907,856
  5. Step 5: Solve for x
    x = 4,478,194,853,907,856/43,098,938
  6. Step 6: Final answer
    x = 103,904,993.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.