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Finding the Third Proportional to 887,028 and 1,389,884.25

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Solution

The third proportional to 887,028 and 1,389,884.25 is: 2,177,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,028 : 1,389,884.25 = 1,389,884.25 : x
  2. Step 2: Convert to fraction form
    887,028/1,389,884.25 = 1,389,884.25/x
  3. Step 3: Cross multiply
    887,028x = 1,389,884.25 × 1,389,884.25
  4. Step 4: Simplify right side
    887,028x = 1,931,778,228,398.06
  5. Step 5: Solve for x
    x = 1,931,778,228,398.06/887,028
  6. Step 6: Final answer
    x = 2,177,809.75

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.