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Finding the Third Proportional to 858,028 and 1,282,506

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Solution

The third proportional to 858,028 and 1,282,506 is: 1,916,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,028 : 1,282,506 = 1,282,506 : x
  2. Step 2: Convert to fraction form
    858,028/1,282,506 = 1,282,506/x
  3. Step 3: Cross multiply
    858,028x = 1,282,506 × 1,282,506
  4. Step 4: Simplify right side
    858,028x = 1,644,821,640,036
  5. Step 5: Solve for x
    x = 1,644,821,640,036/858,028
  6. Step 6: Final answer
    x = 1,916,978.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.