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Finding the Third Proportional to 185,716 and 278,572

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Solution

The third proportional to 185,716 and 278,572 is: 417,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,716 : 278,572 = 278,572 : x
  2. Step 2: Convert to fraction form
    185,716/278,572 = 278,572/x
  3. Step 3: Cross multiply
    185,716x = 278,572 × 278,572
  4. Step 4: Simplify right side
    185,716x = 77,602,359,184
  5. Step 5: Solve for x
    x = 77,602,359,184/185,716
  6. Step 6: Final answer
    x = 417,855.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.