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Finding the Third Proportional to 55,317,681 and 79,917,617.25

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Solution

The third proportional to 55,317,681 and 79,917,617.25 is: 115,457,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317,681 : 79,917,617.25 = 79,917,617.25 : x
  2. Step 2: Convert to fraction form
    55,317,681/79,917,617.25 = 79,917,617.25/x
  3. Step 3: Cross multiply
    55,317,681x = 79,917,617.25 × 79,917,617.25
  4. Step 4: Simplify right side
    55,317,681x = 6,386,825,546,917,498
  5. Step 5: Solve for x
    x = 6,386,825,546,917,498/55,317,681
  6. Step 6: Final answer
    x = 115,457,217.86

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.