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Finding the Third Proportional to 11,278,108 and 16,920,618

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Solution

The third proportional to 11,278,108 and 16,920,618 is: 25,386,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,108 : 16,920,618 = 16,920,618 : x
  2. Step 2: Convert to fraction form
    11,278,108/16,920,618 = 16,920,618/x
  3. Step 3: Cross multiply
    11,278,108x = 16,920,618 × 16,920,618
  4. Step 4: Simplify right side
    11,278,108x = 286,307,313,501,924
  5. Step 5: Solve for x
    x = 286,307,313,501,924/11,278,108
  6. Step 6: Final answer
    x = 25,386,112.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.