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Finding the Third Proportional to 580,440 and 896,928

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Solution

The third proportional to 580,440 and 896,928 is: 1,385,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,440 : 896,928 = 896,928 : x
  2. Step 2: Convert to fraction form
    580,440/896,928 = 896,928/x
  3. Step 3: Cross multiply
    580,440x = 896,928 × 896,928
  4. Step 4: Simplify right side
    580,440x = 804,479,837,184
  5. Step 5: Solve for x
    x = 804,479,837,184/580,440
  6. Step 6: Final answer
    x = 1,385,982.77

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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.