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Finding the Third Proportional to 18,312 and 28,332

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Solution

The third proportional to 18,312 and 28,332 is: 43,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312 : 28,332 = 28,332 : x
  2. Step 2: Convert to fraction form
    18,312/28,332 = 28,332/x
  3. Step 3: Cross multiply
    18,312x = 28,332 × 28,332
  4. Step 4: Simplify right side
    18,312x = 802,702,224
  5. Step 5: Solve for x
    x = 802,702,224/18,312
  6. Step 6: Final answer
    x = 43,834.77

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1.5x scale

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.