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Finding the Third Proportional to 56,485.69 and 121,726.13

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Solution

The third proportional to 56,485.69 and 121,726.13 is: 262,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485.69 : 121,726.13 = 121,726.13 : x
  2. Step 2: Convert to fraction form
    56,485.69/121,726.13 = 121,726.13/x
  3. Step 3: Cross multiply
    56,485.69x = 121,726.13 × 121,726.13
  4. Step 4: Simplify right side
    56,485.69x = 14,817,249,507.52
  5. Step 5: Solve for x
    x = 14,817,249,507.52/56,485.69
  6. Step 6: Final answer
    x = 262,318.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.