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Finding the Third Proportional to 337,220 and 705,618

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Solution

The third proportional to 337,220 and 705,618 is: 1,476,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,220 : 705,618 = 705,618 : x
  2. Step 2: Convert to fraction form
    337,220/705,618 = 705,618/x
  3. Step 3: Cross multiply
    337,220x = 705,618 × 705,618
  4. Step 4: Simplify right side
    337,220x = 497,896,761,924
  5. Step 5: Solve for x
    x = 497,896,761,924/337,220
  6. Step 6: Final answer
    x = 1,476,474.59

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.