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Finding the Third Proportional to 360,555 and 565,581

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Solution

The third proportional to 360,555 and 565,581 is: 887,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,555 : 565,581 = 565,581 : x
  2. Step 2: Convert to fraction form
    360,555/565,581 = 565,581/x
  3. Step 3: Cross multiply
    360,555x = 565,581 × 565,581
  4. Step 4: Simplify right side
    360,555x = 319,881,867,561
  5. Step 5: Solve for x
    x = 319,881,867,561/360,555
  6. Step 6: Final answer
    x = 887,192.99

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.