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Finding the Third Proportional to 389,798,759.25 and 866,750,015.25

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Solution

The third proportional to 389,798,759.25 and 866,750,015.25 is: 1,927,290,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,798,759.25 : 866,750,015.25 = 866,750,015.25 : x
  2. Step 2: Convert to fraction form
    389,798,759.25/866,750,015.25 = 866,750,015.25/x
  3. Step 3: Cross multiply
    389,798,759.25x = 866,750,015.25 × 866,750,015.25
  4. Step 4: Simplify right side
    389,798,759.25x = 751,255,588,935,875,200
  5. Step 5: Solve for x
    x = 751,255,588,935,875,200/389,798,759.25
  6. Step 6: Final answer
    x = 1,927,290,867.68

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.