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Finding the Third Proportional to 129,864 and 200,528

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Solution

The third proportional to 129,864 and 200,528 is: 309,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,864 : 200,528 = 200,528 : x
  2. Step 2: Convert to fraction form
    129,864/200,528 = 200,528/x
  3. Step 3: Cross multiply
    129,864x = 200,528 × 200,528
  4. Step 4: Simplify right side
    129,864x = 40,211,478,784
  5. Step 5: Solve for x
    x = 40,211,478,784/129,864
  6. Step 6: Final answer
    x = 309,643.00

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.