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Finding the Third Proportional to 15,090,813 and 21,332,754

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Solution

The third proportional to 15,090,813 and 21,332,754 is: 30,156,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,813 : 21,332,754 = 21,332,754 : x
  2. Step 2: Convert to fraction form
    15,090,813/21,332,754 = 21,332,754/x
  3. Step 3: Cross multiply
    15,090,813x = 21,332,754 × 21,332,754
  4. Step 4: Simplify right side
    15,090,813x = 455,086,393,224,516
  5. Step 5: Solve for x
    x = 455,086,393,224,516/15,090,813
  6. Step 6: Final answer
    x = 30,156,519.28

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