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Finding the Third Proportional to 1,240,879.50 and 1,897,020

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Solution

The third proportional to 1,240,879.50 and 1,897,020 is: 2,900,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,879.50 : 1,897,020 = 1,897,020 : x
  2. Step 2: Convert to fraction form
    1,240,879.50/1,897,020 = 1,897,020/x
  3. Step 3: Cross multiply
    1,240,879.50x = 1,897,020 × 1,897,020
  4. Step 4: Simplify right side
    1,240,879.50x = 3,598,684,880,400
  5. Step 5: Solve for x
    x = 3,598,684,880,400/1,240,879.50
  6. Step 6: Final answer
    x = 2,900,108.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.