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Finding the Third Proportional to 28,993,140 and 40,555,809

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Solution

The third proportional to 28,993,140 and 40,555,809 is: 56,729,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993,140 : 40,555,809 = 40,555,809 : x
  2. Step 2: Convert to fraction form
    28,993,140/40,555,809 = 40,555,809/x
  3. Step 3: Cross multiply
    28,993,140x = 40,555,809 × 40,555,809
  4. Step 4: Simplify right side
    28,993,140x = 1,644,773,643,644,481
  5. Step 5: Solve for x
    x = 1,644,773,643,644,481/28,993,140
  6. Step 6: Final answer
    x = 56,729,752.06

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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.