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Finding the Third Proportional to 276,480 and 606,528

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Solution

The third proportional to 276,480 and 606,528 is: 1,330,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,480 : 606,528 = 606,528 : x
  2. Step 2: Convert to fraction form
    276,480/606,528 = 606,528/x
  3. Step 3: Cross multiply
    276,480x = 606,528 × 606,528
  4. Step 4: Simplify right side
    276,480x = 367,876,214,784
  5. Step 5: Solve for x
    x = 367,876,214,784/276,480
  6. Step 6: Final answer
    x = 1,330,570.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.