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Finding the Third Proportional to 12,756,252.38 and 19,698,307.88

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Solution

The third proportional to 12,756,252.38 and 19,698,307.88 is: 30,418,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,252.38 : 19,698,307.88 = 19,698,307.88 : x
  2. Step 2: Convert to fraction form
    12,756,252.38/19,698,307.88 = 19,698,307.88/x
  3. Step 3: Cross multiply
    12,756,252.38x = 19,698,307.88 × 19,698,307.88
  4. Step 4: Simplify right side
    12,756,252.38x = 388,023,333,138,287
  5. Step 5: Solve for x
    x = 388,023,333,138,287/12,756,252.38
  6. Step 6: Final answer
    x = 30,418,286.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.