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Finding the Third Proportional to 584,985 and 855,319.50

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Solution

The third proportional to 584,985 and 855,319.50 is: 1,250,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,985 : 855,319.50 = 855,319.50 : x
  2. Step 2: Convert to fraction form
    584,985/855,319.50 = 855,319.50/x
  3. Step 3: Cross multiply
    584,985x = 855,319.50 × 855,319.50
  4. Step 4: Simplify right side
    584,985x = 731,571,447,080.25
  5. Step 5: Solve for x
    x = 731,571,447,080.25/584,985
  6. Step 6: Final answer
    x = 1,250,581.55

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.