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Finding the Third Proportional to 858,292 and 1,298,483

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Solution

The third proportional to 858,292 and 1,298,483 is: 1,964,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,292 : 1,298,483 = 1,298,483 : x
  2. Step 2: Convert to fraction form
    858,292/1,298,483 = 1,298,483/x
  3. Step 3: Cross multiply
    858,292x = 1,298,483 × 1,298,483
  4. Step 4: Simplify right side
    858,292x = 1,686,058,101,289
  5. Step 5: Solve for x
    x = 1,686,058,101,289/858,292
  6. Step 6: Final answer
    x = 1,964,434.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.