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Finding the Third Proportional to 127,725,324 and 279,631,186.50

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Solution

The third proportional to 127,725,324 and 279,631,186.50 is: 612,201,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725,324 : 279,631,186.50 = 279,631,186.50 : x
  2. Step 2: Convert to fraction form
    127,725,324/279,631,186.50 = 279,631,186.50/x
  3. Step 3: Cross multiply
    127,725,324x = 279,631,186.50 × 279,631,186.50
  4. Step 4: Simplify right side
    127,725,324x = 78,193,600,463,397,776
  5. Step 5: Solve for x
    x = 78,193,600,463,397,776/127,725,324
  6. Step 6: Final answer
    x = 612,201,230.07

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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.