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Finding the Third Proportional to 71,946,477 and 158,238,573

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Solution

The third proportional to 71,946,477 and 158,238,573 is: 348,028,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946,477 : 158,238,573 = 158,238,573 : x
  2. Step 2: Convert to fraction form
    71,946,477/158,238,573 = 158,238,573/x
  3. Step 3: Cross multiply
    71,946,477x = 158,238,573 × 158,238,573
  4. Step 4: Simplify right side
    71,946,477x = 25,039,445,985,076,328
  5. Step 5: Solve for x
    x = 25,039,445,985,076,328/71,946,477
  6. Step 6: Final answer
    x = 348,028,799.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.