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Finding the Third Proportional to 151,312 and 328,832

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Solution

The third proportional to 151,312 and 328,832 is: 714,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,312 : 328,832 = 328,832 : x
  2. Step 2: Convert to fraction form
    151,312/328,832 = 328,832/x
  3. Step 3: Cross multiply
    151,312x = 328,832 × 328,832
  4. Step 4: Simplify right side
    151,312x = 108,130,484,224
  5. Step 5: Solve for x
    x = 108,130,484,224/151,312
  6. Step 6: Final answer
    x = 714,619.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.