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Finding the Third Proportional to 326,445.75 and 719,091

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Solution

The third proportional to 326,445.75 and 719,091 is: 1,584,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,445.75 : 719,091 = 719,091 : x
  2. Step 2: Convert to fraction form
    326,445.75/719,091 = 719,091/x
  3. Step 3: Cross multiply
    326,445.75x = 719,091 × 719,091
  4. Step 4: Simplify right side
    326,445.75x = 517,091,866,281
  5. Step 5: Solve for x
    x = 517,091,866,281/326,445.75
  6. Step 6: Final answer
    x = 1,584,005.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.