Home / 127,384,171.31-278,613,064.13

Finding the Third Proportional to 127,384,171.31 and 278,613,064.13

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Solution

The third proportional to 127,384,171.31 and 278,613,064.13 is: 609,379,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384,171.31 : 278,613,064.13 = 278,613,064.13 : x
  2. Step 2: Convert to fraction form
    127,384,171.31/278,613,064.13 = 278,613,064.13/x
  3. Step 3: Cross multiply
    127,384,171.31x = 278,613,064.13 × 278,613,064.13
  4. Step 4: Simplify right side
    127,384,171.31x = 77,625,239,501,121,360
  5. Step 5: Solve for x
    x = 77,625,239,501,121,360/127,384,171.31
  6. Step 6: Final answer
    x = 609,379,004.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.