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Finding the Third Proportional to 1,355,338.50 and 1,987,737

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Solution

The third proportional to 1,355,338.50 and 1,987,737 is: 2,915,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,338.50 : 1,987,737 = 1,987,737 : x
  2. Step 2: Convert to fraction form
    1,355,338.50/1,987,737 = 1,987,737/x
  3. Step 3: Cross multiply
    1,355,338.50x = 1,987,737 × 1,987,737
  4. Step 4: Simplify right side
    1,355,338.50x = 3,951,098,381,169
  5. Step 5: Solve for x
    x = 3,951,098,381,169/1,355,338.50
  6. Step 6: Final answer
    x = 2,915,211.50

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.