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Finding the Third Proportional to 46,830 and 70,173

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Solution

The third proportional to 46,830 and 70,173 is: 105,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,830 : 70,173 = 70,173 : x
  2. Step 2: Convert to fraction form
    46,830/70,173 = 70,173/x
  3. Step 3: Cross multiply
    46,830x = 70,173 × 70,173
  4. Step 4: Simplify right side
    46,830x = 4,924,249,929
  5. Step 5: Solve for x
    x = 4,924,249,929/46,830
  6. Step 6: Final answer
    x = 105,151.61

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Why These Related Problems?

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