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Finding the Third Proportional to 1,392,529.50 and 1,878,840

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Solution

The third proportional to 1,392,529.50 and 1,878,840 is: 2,534,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,529.50 : 1,878,840 = 1,878,840 : x
  2. Step 2: Convert to fraction form
    1,392,529.50/1,878,840 = 1,878,840/x
  3. Step 3: Cross multiply
    1,392,529.50x = 1,878,840 × 1,878,840
  4. Step 4: Simplify right side
    1,392,529.50x = 3,530,039,745,600
  5. Step 5: Solve for x
    x = 3,530,039,745,600/1,392,529.50
  6. Step 6: Final answer
    x = 2,534,983.82

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.