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Finding the Third Proportional to 506,430 and 801,928

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Solution

The third proportional to 506,430 and 801,928 is: 1,269,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,430 : 801,928 = 801,928 : x
  2. Step 2: Convert to fraction form
    506,430/801,928 = 801,928/x
  3. Step 3: Cross multiply
    506,430x = 801,928 × 801,928
  4. Step 4: Simplify right side
    506,430x = 643,088,517,184
  5. Step 5: Solve for x
    x = 643,088,517,184/506,430
  6. Step 6: Final answer
    x = 1,269,846.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.