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Finding the Third Proportional to 235,931 and 513,332

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Solution

The third proportional to 235,931 and 513,332 is: 1,116,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,931 : 513,332 = 513,332 : x
  2. Step 2: Convert to fraction form
    235,931/513,332 = 513,332/x
  3. Step 3: Cross multiply
    235,931x = 513,332 × 513,332
  4. Step 4: Simplify right side
    235,931x = 263,509,742,224
  5. Step 5: Solve for x
    x = 263,509,742,224/235,931
  6. Step 6: Final answer
    x = 1,116,893.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.