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Finding the Third Proportional to 46,480 and 70,157

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Solution

The third proportional to 46,480 and 70,157 is: 105,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,480 : 70,157 = 70,157 : x
  2. Step 2: Convert to fraction form
    46,480/70,157 = 70,157/x
  3. Step 3: Cross multiply
    46,480x = 70,157 × 70,157
  4. Step 4: Simplify right side
    46,480x = 4,922,004,649
  5. Step 5: Solve for x
    x = 4,922,004,649/46,480
  6. Step 6: Final answer
    x = 105,895.11

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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.