Home / 21,490,166.25-30,379,357.13

Finding the Third Proportional to 21,490,166.25 and 30,379,357.13

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Solution

The third proportional to 21,490,166.25 and 30,379,357.13 is: 42,945,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,166.25 : 30,379,357.13 = 30,379,357.13 : x
  2. Step 2: Convert to fraction form
    21,490,166.25/30,379,357.13 = 30,379,357.13/x
  3. Step 3: Cross multiply
    21,490,166.25x = 30,379,357.13 × 30,379,357.13
  4. Step 4: Simplify right side
    21,490,166.25x = 922,905,339,328,288.25
  5. Step 5: Solve for x
    x = 922,905,339,328,288.25/21,490,166.25
  6. Step 6: Final answer
    x = 42,945,472.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.