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Finding the Third Proportional to 839,430 and 1,335,001.50

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Solution

The third proportional to 839,430 and 1,335,001.50 is: 2,123,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,430 : 1,335,001.50 = 1,335,001.50 : x
  2. Step 2: Convert to fraction form
    839,430/1,335,001.50 = 1,335,001.50/x
  3. Step 3: Cross multiply
    839,430x = 1,335,001.50 × 1,335,001.50
  4. Step 4: Simplify right side
    839,430x = 1,782,229,005,002.25
  5. Step 5: Solve for x
    x = 1,782,229,005,002.25/839,430
  6. Step 6: Final answer
    x = 2,123,141.90

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.