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Finding the Third Proportional to 139,835,322 and 211,695,525

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Solution

The third proportional to 139,835,322 and 211,695,525 is: 320,484,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,835,322 : 211,695,525 = 211,695,525 : x
  2. Step 2: Convert to fraction form
    139,835,322/211,695,525 = 211,695,525/x
  3. Step 3: Cross multiply
    139,835,322x = 211,695,525 × 211,695,525
  4. Step 4: Simplify right side
    139,835,322x = 44,814,995,305,025,624
  5. Step 5: Solve for x
    x = 44,814,995,305,025,624/139,835,322
  6. Step 6: Final answer
    x = 320,484,085.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.