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Finding the Third Proportional to 14,189,985 and 31,126,878

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Solution

The third proportional to 14,189,985 and 31,126,878 is: 68,279,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189,985 : 31,126,878 = 31,126,878 : x
  2. Step 2: Convert to fraction form
    14,189,985/31,126,878 = 31,126,878/x
  3. Step 3: Cross multiply
    14,189,985x = 31,126,878 × 31,126,878
  4. Step 4: Simplify right side
    14,189,985x = 968,882,534,026,884
  5. Step 5: Solve for x
    x = 968,882,534,026,884/14,189,985
  6. Step 6: Final answer
    x = 68,279,320.52

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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.