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Finding the Third Proportional to 38,626,663.50 and 54,135,139.50

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Solution

The third proportional to 38,626,663.50 and 54,135,139.50 is: 75,870,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626,663.50 : 54,135,139.50 = 54,135,139.50 : x
  2. Step 2: Convert to fraction form
    38,626,663.50/54,135,139.50 = 54,135,139.50/x
  3. Step 3: Cross multiply
    38,626,663.50x = 54,135,139.50 × 54,135,139.50
  4. Step 4: Simplify right side
    38,626,663.50x = 2,930,613,328,684,460
  5. Step 5: Solve for x
    x = 2,930,613,328,684,460/38,626,663.50
  6. Step 6: Final answer
    x = 75,870,216.66

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.