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Finding the Third Proportional to 39,126 and 60,618

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Solution

The third proportional to 39,126 and 60,618 is: 93,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126 : 60,618 = 60,618 : x
  2. Step 2: Convert to fraction form
    39,126/60,618 = 60,618/x
  3. Step 3: Cross multiply
    39,126x = 60,618 × 60,618
  4. Step 4: Simplify right side
    39,126x = 3,674,541,924
  5. Step 5: Solve for x
    x = 3,674,541,924/39,126
  6. Step 6: Final answer
    x = 93,915.60

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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.