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Finding the Third Proportional to 743,129 and 1,034,017.50

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Solution

The third proportional to 743,129 and 1,034,017.50 is: 1,438,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,129 : 1,034,017.50 = 1,034,017.50 : x
  2. Step 2: Convert to fraction form
    743,129/1,034,017.50 = 1,034,017.50/x
  3. Step 3: Cross multiply
    743,129x = 1,034,017.50 × 1,034,017.50
  4. Step 4: Simplify right side
    743,129x = 1,069,192,190,306.25
  5. Step 5: Solve for x
    x = 1,069,192,190,306.25/743,129
  6. Step 6: Final answer
    x = 1,438,770.64

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.