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Finding the Third Proportional to 373,248 and 809,490

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Solution

The third proportional to 373,248 and 809,490 is: 1,755,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248 : 809,490 = 809,490 : x
  2. Step 2: Convert to fraction form
    373,248/809,490 = 809,490/x
  3. Step 3: Cross multiply
    373,248x = 809,490 × 809,490
  4. Step 4: Simplify right side
    373,248x = 655,274,060,100
  5. Step 5: Solve for x
    x = 655,274,060,100/373,248
  6. Step 6: Final answer
    x = 1,755,599.66

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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.