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Finding the Third Proportional to 1,865,278 and 2,880,387

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Solution

The third proportional to 1,865,278 and 2,880,387 is: 4,447,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,278 : 2,880,387 = 2,880,387 : x
  2. Step 2: Convert to fraction form
    1,865,278/2,880,387 = 2,880,387/x
  3. Step 3: Cross multiply
    1,865,278x = 2,880,387 × 2,880,387
  4. Step 4: Simplify right side
    1,865,278x = 8,296,629,269,769
  5. Step 5: Solve for x
    x = 8,296,629,269,769/1,865,278
  6. Step 6: Final answer
    x = 4,447,931.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.