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Finding the Third Proportional to 43,005,396 and 66,588,174

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Solution

The third proportional to 43,005,396 and 66,588,174 is: 103,102,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005,396 : 66,588,174 = 66,588,174 : x
  2. Step 2: Convert to fraction form
    43,005,396/66,588,174 = 66,588,174/x
  3. Step 3: Cross multiply
    43,005,396x = 66,588,174 × 66,588,174
  4. Step 4: Simplify right side
    43,005,396x = 4,433,984,916,654,276
  5. Step 5: Solve for x
    x = 4,433,984,916,654,276/43,005,396
  6. Step 6: Final answer
    x = 103,102,990.07

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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.