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Finding the Third Proportional to 369,805.50 and 556,834.50

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Solution

The third proportional to 369,805.50 and 556,834.50 is: 838,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,805.50 : 556,834.50 = 556,834.50 : x
  2. Step 2: Convert to fraction form
    369,805.50/556,834.50 = 556,834.50/x
  3. Step 3: Cross multiply
    369,805.50x = 556,834.50 × 556,834.50
  4. Step 4: Simplify right side
    369,805.50x = 310,064,660,390.25
  5. Step 5: Solve for x
    x = 310,064,660,390.25/369,805.50
  6. Step 6: Final answer
    x = 838,453.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.