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Finding the Third Proportional to 554,583 and 856,330.50

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Solution

The third proportional to 554,583 and 856,330.50 is: 1,322,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,583 : 856,330.50 = 856,330.50 : x
  2. Step 2: Convert to fraction form
    554,583/856,330.50 = 856,330.50/x
  3. Step 3: Cross multiply
    554,583x = 856,330.50 × 856,330.50
  4. Step 4: Simplify right side
    554,583x = 733,301,925,230.25
  5. Step 5: Solve for x
    x = 733,301,925,230.25/554,583
  6. Step 6: Final answer
    x = 1,322,258.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.