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Finding the Third Proportional to 19,673,280 and 40,326,336

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Solution

The third proportional to 19,673,280 and 40,326,336 is: 82,661,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673,280 : 40,326,336 = 40,326,336 : x
  2. Step 2: Convert to fraction form
    19,673,280/40,326,336 = 40,326,336/x
  3. Step 3: Cross multiply
    19,673,280x = 40,326,336 × 40,326,336
  4. Step 4: Simplify right side
    19,673,280x = 1,626,213,375,184,896
  5. Step 5: Solve for x
    x = 1,626,213,375,184,896/19,673,280
  6. Step 6: Final answer
    x = 82,661,019.17

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.