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Finding the Third Proportional to 163,710 and 358,650

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Solution

The third proportional to 163,710 and 358,650 is: 785,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,710 : 358,650 = 358,650 : x
  2. Step 2: Convert to fraction form
    163,710/358,650 = 358,650/x
  3. Step 3: Cross multiply
    163,710x = 358,650 × 358,650
  4. Step 4: Simplify right side
    163,710x = 128,629,822,500
  5. Step 5: Solve for x
    x = 128,629,822,500/163,710
  6. Step 6: Final answer
    x = 785,717.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.