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Finding the Third Proportional to 117,984 and 255,646

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Solution

The third proportional to 117,984 and 255,646 is: 553,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,984 : 255,646 = 255,646 : x
  2. Step 2: Convert to fraction form
    117,984/255,646 = 255,646/x
  3. Step 3: Cross multiply
    117,984x = 255,646 × 255,646
  4. Step 4: Simplify right side
    117,984x = 65,354,877,316
  5. Step 5: Solve for x
    x = 65,354,877,316/117,984
  6. Step 6: Final answer
    x = 553,930.00

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.