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Finding the Third Proportional to 912,280 and 1,399,330

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Solution

The third proportional to 912,280 and 1,399,330 is: 2,146,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,280 : 1,399,330 = 1,399,330 : x
  2. Step 2: Convert to fraction form
    912,280/1,399,330 = 1,399,330/x
  3. Step 3: Cross multiply
    912,280x = 1,399,330 × 1,399,330
  4. Step 4: Simplify right side
    912,280x = 1,958,124,448,900
  5. Step 5: Solve for x
    x = 1,958,124,448,900/912,280
  6. Step 6: Final answer
    x = 2,146,407.30

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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.