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Finding the Third Proportional to 30,963,642 and 43,307,815

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Solution

The third proportional to 30,963,642 and 43,307,815 is: 60,573,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,963,642 : 43,307,815 = 43,307,815 : x
  2. Step 2: Convert to fraction form
    30,963,642/43,307,815 = 43,307,815/x
  3. Step 3: Cross multiply
    30,963,642x = 43,307,815 × 43,307,815
  4. Step 4: Simplify right side
    30,963,642x = 1,875,566,840,074,225
  5. Step 5: Solve for x
    x = 1,875,566,840,074,225/30,963,642
  6. Step 6: Final answer
    x = 60,573,198.72

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.