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Finding the Third Proportional to 1,989,728.50 and 4,263,362

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Solution

The third proportional to 1,989,728.50 and 4,263,362 is: 9,135,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,728.50 : 4,263,362 = 4,263,362 : x
  2. Step 2: Convert to fraction form
    1,989,728.50/4,263,362 = 4,263,362/x
  3. Step 3: Cross multiply
    1,989,728.50x = 4,263,362 × 4,263,362
  4. Step 4: Simplify right side
    1,989,728.50x = 18,176,255,543,044
  5. Step 5: Solve for x
    x = 18,176,255,543,044/1,989,728.50
  6. Step 6: Final answer
    x = 9,135,043.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.