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Finding the Third Proportional to 249,276 and 543,664

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Solution

The third proportional to 249,276 and 543,664 is: 1,185,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,276 : 543,664 = 543,664 : x
  2. Step 2: Convert to fraction form
    249,276/543,664 = 543,664/x
  3. Step 3: Cross multiply
    249,276x = 543,664 × 543,664
  4. Step 4: Simplify right side
    249,276x = 295,570,544,896
  5. Step 5: Solve for x
    x = 295,570,544,896/249,276
  6. Step 6: Final answer
    x = 1,185,716.01

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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.