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Finding the Third Proportional to 12,936,164 and 19,402,620

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Solution

The third proportional to 12,936,164 and 19,402,620 is: 29,101,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,164 : 19,402,620 = 19,402,620 : x
  2. Step 2: Convert to fraction form
    12,936,164/19,402,620 = 19,402,620/x
  3. Step 3: Cross multiply
    12,936,164x = 19,402,620 × 19,402,620
  4. Step 4: Simplify right side
    12,936,164x = 376,461,662,864,400
  5. Step 5: Solve for x
    x = 376,461,662,864,400/12,936,164
  6. Step 6: Final answer
    x = 29,101,491.20

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