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Finding the Third Proportional to 28,986,933 and 61,328,572.50

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Solution

The third proportional to 28,986,933 and 61,328,572.50 is: 129,754,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,933 : 61,328,572.50 = 61,328,572.50 : x
  2. Step 2: Convert to fraction form
    28,986,933/61,328,572.50 = 61,328,572.50/x
  3. Step 3: Cross multiply
    28,986,933x = 61,328,572.50 × 61,328,572.50
  4. Step 4: Simplify right side
    28,986,933x = 3,761,193,804,887,756
  5. Step 5: Solve for x
    x = 3,761,193,804,887,756/28,986,933
  6. Step 6: Final answer
    x = 129,754,803.82

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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.