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Finding the Third Proportional to 478,860 and 714,138

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Solution

The third proportional to 478,860 and 714,138 is: 1,065,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,860 : 714,138 = 714,138 : x
  2. Step 2: Convert to fraction form
    478,860/714,138 = 714,138/x
  3. Step 3: Cross multiply
    478,860x = 714,138 × 714,138
  4. Step 4: Simplify right side
    478,860x = 509,993,083,044
  5. Step 5: Solve for x
    x = 509,993,083,044/478,860
  6. Step 6: Final answer
    x = 1,065,015.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.