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Finding the Third Proportional to 65,191,437.50 and 138,155,189

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Solution

The third proportional to 65,191,437.50 and 138,155,189 is: 292,781,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,191,437.50 : 138,155,189 = 138,155,189 : x
  2. Step 2: Convert to fraction form
    65,191,437.50/138,155,189 = 138,155,189/x
  3. Step 3: Cross multiply
    65,191,437.50x = 138,155,189 × 138,155,189
  4. Step 4: Simplify right side
    65,191,437.50x = 19,086,856,247,625,720
  5. Step 5: Solve for x
    x = 19,086,856,247,625,720/65,191,437.50
  6. Step 6: Final answer
    x = 292,781,644.03

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.