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Finding the Third Proportional to 1,818,870.19 and 2,853,270.56

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Solution

The third proportional to 1,818,870.19 and 2,853,270.56 is: 4,475,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,870.19 : 2,853,270.56 = 2,853,270.56 : x
  2. Step 2: Convert to fraction form
    1,818,870.19/2,853,270.56 = 2,853,270.56/x
  3. Step 3: Cross multiply
    1,818,870.19x = 2,853,270.56 × 2,853,270.56
  4. Step 4: Simplify right side
    1,818,870.19x = 8,141,152,902,829.07
  5. Step 5: Solve for x
    x = 8,141,152,902,829.07/1,818,870.19
  6. Step 6: Final answer
    x = 4,475,939.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.