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Finding the Third Proportional to 1,532,397.38 and 3,223,602.38

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Solution

The third proportional to 1,532,397.38 and 3,223,602.38 is: 6,781,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,397.38 : 3,223,602.38 = 3,223,602.38 : x
  2. Step 2: Convert to fraction form
    1,532,397.38/3,223,602.38 = 3,223,602.38/x
  3. Step 3: Cross multiply
    1,532,397.38x = 3,223,602.38 × 3,223,602.38
  4. Step 4: Simplify right side
    1,532,397.38x = 10,391,612,272,105.64
  5. Step 5: Solve for x
    x = 10,391,612,272,105.64/1,532,397.38
  6. Step 6: Final answer
    x = 6,781,277.78

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.