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Finding the Third Proportional to 39,827,990 and 60,108,368

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Solution

The third proportional to 39,827,990 and 60,108,368 is: 90,715,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827,990 : 60,108,368 = 60,108,368 : x
  2. Step 2: Convert to fraction form
    39,827,990/60,108,368 = 60,108,368/x
  3. Step 3: Cross multiply
    39,827,990x = 60,108,368 × 60,108,368
  4. Step 4: Simplify right side
    39,827,990x = 3,613,015,903,623,424
  5. Step 5: Solve for x
    x = 3,613,015,903,623,424/39,827,990
  6. Step 6: Final answer
    x = 90,715,496.91

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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.