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Finding the Third Proportional to 12,539,712 and 18,760,944

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Solution

The third proportional to 12,539,712 and 18,760,944 is: 28,068,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,712 : 18,760,944 = 18,760,944 : x
  2. Step 2: Convert to fraction form
    12,539,712/18,760,944 = 18,760,944/x
  3. Step 3: Cross multiply
    12,539,712x = 18,760,944 × 18,760,944
  4. Step 4: Simplify right side
    12,539,712x = 351,973,019,771,136
  5. Step 5: Solve for x
    x = 351,973,019,771,136/12,539,712
  6. Step 6: Final answer
    x = 28,068,668.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.