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Finding the Third Proportional to 553,342 and 833,908

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Solution

The third proportional to 553,342 and 833,908 is: 1,256,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,342 : 833,908 = 833,908 : x
  2. Step 2: Convert to fraction form
    553,342/833,908 = 833,908/x
  3. Step 3: Cross multiply
    553,342x = 833,908 × 833,908
  4. Step 4: Simplify right side
    553,342x = 695,402,552,464
  5. Step 5: Solve for x
    x = 695,402,552,464/553,342
  6. Step 6: Final answer
    x = 1,256,731.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.