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Finding the Third Proportional to 65,826 and 128,368.13

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Solution

The third proportional to 65,826 and 128,368.13 is: 250,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826 : 128,368.13 = 128,368.13 : x
  2. Step 2: Convert to fraction form
    65,826/128,368.13 = 128,368.13/x
  3. Step 3: Cross multiply
    65,826x = 128,368.13 × 128,368.13
  4. Step 4: Simplify right side
    65,826x = 16,478,375,516.02
  5. Step 5: Solve for x
    x = 16,478,375,516.02/65,826
  6. Step 6: Final answer
    x = 250,332.32

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.