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Finding the Third Proportional to 36,077,908 and 78,771,303

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Solution

The third proportional to 36,077,908 and 78,771,303 is: 171,986,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077,908 : 78,771,303 = 78,771,303 : x
  2. Step 2: Convert to fraction form
    36,077,908/78,771,303 = 78,771,303/x
  3. Step 3: Cross multiply
    36,077,908x = 78,771,303 × 78,771,303
  4. Step 4: Simplify right side
    36,077,908x = 6,204,918,176,317,809
  5. Step 5: Solve for x
    x = 6,204,918,176,317,809/36,077,908
  6. Step 6: Final answer
    x = 171,986,640.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.