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Finding the Third Proportional to 30,876.19 and 46,656

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Solution

The third proportional to 30,876.19 and 46,656 is: 70,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,876.19 : 46,656 = 46,656 : x
  2. Step 2: Convert to fraction form
    30,876.19/46,656 = 46,656/x
  3. Step 3: Cross multiply
    30,876.19x = 46,656 × 46,656
  4. Step 4: Simplify right side
    30,876.19x = 2,176,782,336
  5. Step 5: Solve for x
    x = 2,176,782,336/30,876.19
  6. Step 6: Final answer
    x = 70,500.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.