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Finding the Third Proportional to 938,835 and 1,275,313.50

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Solution

The third proportional to 938,835 and 1,275,313.50 is: 1,732,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,835 : 1,275,313.50 = 1,275,313.50 : x
  2. Step 2: Convert to fraction form
    938,835/1,275,313.50 = 1,275,313.50/x
  3. Step 3: Cross multiply
    938,835x = 1,275,313.50 × 1,275,313.50
  4. Step 4: Simplify right side
    938,835x = 1,626,424,523,282.25
  5. Step 5: Solve for x
    x = 1,626,424,523,282.25/938,835
  6. Step 6: Final answer
    x = 1,732,385.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.