Home / 2,129,178.50-3,192,985.50

Finding the Third Proportional to 2,129,178.50 and 3,192,985.50

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Solution

The third proportional to 2,129,178.50 and 3,192,985.50 is: 4,788,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,178.50 : 3,192,985.50 = 3,192,985.50 : x
  2. Step 2: Convert to fraction form
    2,129,178.50/3,192,985.50 = 3,192,985.50/x
  3. Step 3: Cross multiply
    2,129,178.50x = 3,192,985.50 × 3,192,985.50
  4. Step 4: Simplify right side
    2,129,178.50x = 10,195,156,403,210.25
  5. Step 5: Solve for x
    x = 10,195,156,403,210.25/2,129,178.50
  6. Step 6: Final answer
    x = 4,788,305.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.