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Finding the Third Proportional to 573,618 and 887,739

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Solution

The third proportional to 573,618 and 887,739 is: 1,373,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,618 : 887,739 = 887,739 : x
  2. Step 2: Convert to fraction form
    573,618/887,739 = 887,739/x
  3. Step 3: Cross multiply
    573,618x = 887,739 × 887,739
  4. Step 4: Simplify right side
    573,618x = 788,080,532,121
  5. Step 5: Solve for x
    x = 788,080,532,121/573,618
  6. Step 6: Final answer
    x = 1,373,876.92

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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.