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Finding the Third Proportional to 1,931,168.25 and 2,921,602.50

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Solution

The third proportional to 1,931,168.25 and 2,921,602.50 is: 4,419,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,168.25 : 2,921,602.50 = 2,921,602.50 : x
  2. Step 2: Convert to fraction form
    1,931,168.25/2,921,602.50 = 2,921,602.50/x
  3. Step 3: Cross multiply
    1,931,168.25x = 2,921,602.50 × 2,921,602.50
  4. Step 4: Simplify right side
    1,931,168.25x = 8,535,761,168,006.25
  5. Step 5: Solve for x
    x = 8,535,761,168,006.25/1,931,168.25
  6. Step 6: Final answer
    x = 4,419,998.71

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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.