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Finding the Third Proportional to 836,645 and 1,292,757.50

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Solution

The third proportional to 836,645 and 1,292,757.50 is: 1,997,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,645 : 1,292,757.50 = 1,292,757.50 : x
  2. Step 2: Convert to fraction form
    836,645/1,292,757.50 = 1,292,757.50/x
  3. Step 3: Cross multiply
    836,645x = 1,292,757.50 × 1,292,757.50
  4. Step 4: Simplify right side
    836,645x = 1,671,221,953,806.25
  5. Step 5: Solve for x
    x = 1,671,221,953,806.25/836,645
  6. Step 6: Final answer
    x = 1,997,528.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.