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Finding the Third Proportional to 112,712 and 165,804

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Solution

The third proportional to 112,712 and 165,804 is: 243,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712 : 165,804 = 165,804 : x
  2. Step 2: Convert to fraction form
    112,712/165,804 = 165,804/x
  3. Step 3: Cross multiply
    112,712x = 165,804 × 165,804
  4. Step 4: Simplify right side
    112,712x = 27,490,966,416
  5. Step 5: Solve for x
    x = 27,490,966,416/112,712
  6. Step 6: Final answer
    x = 243,904.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.