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Finding the Third Proportional to 1,154,644.88 and 1,788,004.13

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Solution

The third proportional to 1,154,644.88 and 1,788,004.13 is: 2,768,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,644.88 : 1,788,004.13 = 1,788,004.13 : x
  2. Step 2: Convert to fraction form
    1,154,644.88/1,788,004.13 = 1,788,004.13/x
  3. Step 3: Cross multiply
    1,154,644.88x = 1,788,004.13 × 1,788,004.13
  4. Step 4: Simplify right side
    1,154,644.88x = 3,196,958,751,017.02
  5. Step 5: Solve for x
    x = 3,196,958,751,017.02/1,154,644.88
  6. Step 6: Final answer
    x = 2,768,780.96

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.