Home / 18,663,185.48-28,977,390.72

Finding the Third Proportional to 18,663,185.48 and 28,977,390.72

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Solution

The third proportional to 18,663,185.48 and 28,977,390.72 is: 44,991,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,185.48 : 28,977,390.72 = 28,977,390.72 : x
  2. Step 2: Convert to fraction form
    18,663,185.48/28,977,390.72 = 28,977,390.72/x
  3. Step 3: Cross multiply
    18,663,185.48x = 28,977,390.72 × 28,977,390.72
  4. Step 4: Simplify right side
    18,663,185.48x = 839,689,172,980,226.38
  5. Step 5: Solve for x
    x = 839,689,172,980,226.38/18,663,185.48
  6. Step 6: Final answer
    x = 44,991,739.16

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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.