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Finding the Third Proportional to 103,618 and 160,485

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Solution

The third proportional to 103,618 and 160,485 is: 248,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618 : 160,485 = 160,485 : x
  2. Step 2: Convert to fraction form
    103,618/160,485 = 160,485/x
  3. Step 3: Cross multiply
    103,618x = 160,485 × 160,485
  4. Step 4: Simplify right side
    103,618x = 25,755,435,225
  5. Step 5: Solve for x
    x = 25,755,435,225/103,618
  6. Step 6: Final answer
    x = 248,561.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.