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Finding the Third Proportional to 151,733,600 and 216,824,080

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Solution

The third proportional to 151,733,600 and 216,824,080 is: 309,836,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,733,600 : 216,824,080 = 216,824,080 : x
  2. Step 2: Convert to fraction form
    151,733,600/216,824,080 = 216,824,080/x
  3. Step 3: Cross multiply
    151,733,600x = 216,824,080 × 216,824,080
  4. Step 4: Simplify right side
    151,733,600x = 47,012,681,667,846,400
  5. Step 5: Solve for x
    x = 47,012,681,667,846,400/151,733,600
  6. Step 6: Final answer
    x = 309,836,988.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.