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Finding the Third Proportional to 138,659,392 and 300,460,160

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Solution

The third proportional to 138,659,392 and 300,460,160 is: 651,065,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,659,392 : 300,460,160 = 300,460,160 : x
  2. Step 2: Convert to fraction form
    138,659,392/300,460,160 = 300,460,160/x
  3. Step 3: Cross multiply
    138,659,392x = 300,460,160 × 300,460,160
  4. Step 4: Simplify right side
    138,659,392x = 90,276,307,747,225,600
  5. Step 5: Solve for x
    x = 90,276,307,747,225,600/138,659,392
  6. Step 6: Final answer
    x = 651,065,221.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.