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Finding the Third Proportional to 554,186 and 859,791

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Solution

The third proportional to 554,186 and 859,791 is: 1,333,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,186 : 859,791 = 859,791 : x
  2. Step 2: Convert to fraction form
    554,186/859,791 = 859,791/x
  3. Step 3: Cross multiply
    554,186x = 859,791 × 859,791
  4. Step 4: Simplify right side
    554,186x = 739,240,563,681
  5. Step 5: Solve for x
    x = 739,240,563,681/554,186
  6. Step 6: Final answer
    x = 1,333,921.40

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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.