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Finding the Third Proportional to 147,875 and 221,560

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Solution

The third proportional to 147,875 and 221,560 is: 331,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,875 : 221,560 = 221,560 : x
  2. Step 2: Convert to fraction form
    147,875/221,560 = 221,560/x
  3. Step 3: Cross multiply
    147,875x = 221,560 × 221,560
  4. Step 4: Simplify right side
    147,875x = 49,088,833,600
  5. Step 5: Solve for x
    x = 49,088,833,600/147,875
  6. Step 6: Final answer
    x = 331,961.68

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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.