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Finding the Third Proportional to 88,120 and 125,618

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Solution

The third proportional to 88,120 and 125,618 is: 179,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120 : 125,618 = 125,618 : x
  2. Step 2: Convert to fraction form
    88,120/125,618 = 125,618/x
  3. Step 3: Cross multiply
    88,120x = 125,618 × 125,618
  4. Step 4: Simplify right side
    88,120x = 15,779,881,924
  5. Step 5: Solve for x
    x = 15,779,881,924/88,120
  6. Step 6: Final answer
    x = 179,072.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.