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Finding the Third Proportional to 17,146,989 and 36,986,256

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Solution

The third proportional to 17,146,989 and 36,986,256 is: 79,779,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146,989 : 36,986,256 = 36,986,256 : x
  2. Step 2: Convert to fraction form
    17,146,989/36,986,256 = 36,986,256/x
  3. Step 3: Cross multiply
    17,146,989x = 36,986,256 × 36,986,256
  4. Step 4: Simplify right side
    17,146,989x = 1,367,983,132,897,536
  5. Step 5: Solve for x
    x = 1,367,983,132,897,536/17,146,989
  6. Step 6: Final answer
    x = 79,779,787.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.