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Finding the Third Proportional to 623,500 and 1,351,928

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Solution

The third proportional to 623,500 and 1,351,928 is: 2,931,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,500 : 1,351,928 = 1,351,928 : x
  2. Step 2: Convert to fraction form
    623,500/1,351,928 = 1,351,928/x
  3. Step 3: Cross multiply
    623,500x = 1,351,928 × 1,351,928
  4. Step 4: Simplify right side
    623,500x = 1,827,709,317,184
  5. Step 5: Solve for x
    x = 1,827,709,317,184/623,500
  6. Step 6: Final answer
    x = 2,931,370.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.