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Finding the Third Proportional to 1,537,276.22 and 2,189,878.03

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Solution

The third proportional to 1,537,276.22 and 2,189,878.03 is: 3,119,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,276.22 : 2,189,878.03 = 2,189,878.03 : x
  2. Step 2: Convert to fraction form
    1,537,276.22/2,189,878.03 = 2,189,878.03/x
  3. Step 3: Cross multiply
    1,537,276.22x = 2,189,878.03 × 2,189,878.03
  4. Step 4: Simplify right side
    1,537,276.22x = 4,795,565,791,751.38
  5. Step 5: Solve for x
    x = 4,795,565,791,751.38/1,537,276.22
  6. Step 6: Final answer
    x = 3,119,521.22

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.