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Finding the Third Proportional to 71,899,936 and 157,251,488

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Solution

The third proportional to 71,899,936 and 157,251,488 is: 343,922,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,899,936 : 157,251,488 = 157,251,488 : x
  2. Step 2: Convert to fraction form
    71,899,936/157,251,488 = 157,251,488/x
  3. Step 3: Cross multiply
    71,899,936x = 157,251,488 × 157,251,488
  4. Step 4: Simplify right side
    71,899,936x = 24,728,030,478,214,144
  5. Step 5: Solve for x
    x = 24,728,030,478,214,144/71,899,936
  6. Step 6: Final answer
    x = 343,922,844.08

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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.