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Finding the Third Proportional to 2,617,390.13 and 3,910,457.25

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Solution

The third proportional to 2,617,390.13 and 3,910,457.25 is: 5,842,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,390.13 : 3,910,457.25 = 3,910,457.25 : x
  2. Step 2: Convert to fraction form
    2,617,390.13/3,910,457.25 = 3,910,457.25/x
  3. Step 3: Cross multiply
    2,617,390.13x = 3,910,457.25 × 3,910,457.25
  4. Step 4: Simplify right side
    2,617,390.13x = 15,291,675,904,077.56
  5. Step 5: Solve for x
    x = 15,291,675,904,077.56/2,617,390.13
  6. Step 6: Final answer
    x = 5,842,337.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.