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Finding the Third Proportional to 620,875 and 1,330,298

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Solution

The third proportional to 620,875 and 1,330,298 is: 2,850,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,875 : 1,330,298 = 1,330,298 : x
  2. Step 2: Convert to fraction form
    620,875/1,330,298 = 1,330,298/x
  3. Step 3: Cross multiply
    620,875x = 1,330,298 × 1,330,298
  4. Step 4: Simplify right side
    620,875x = 1,769,692,768,804
  5. Step 5: Solve for x
    x = 1,769,692,768,804/620,875
  6. Step 6: Final answer
    x = 2,850,320.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.