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Finding the Third Proportional to 624,386 and 1,326,520

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Solution

The third proportional to 624,386 and 1,326,520 is: 2,818,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,386 : 1,326,520 = 1,326,520 : x
  2. Step 2: Convert to fraction form
    624,386/1,326,520 = 1,326,520/x
  3. Step 3: Cross multiply
    624,386x = 1,326,520 × 1,326,520
  4. Step 4: Simplify right side
    624,386x = 1,759,655,310,400
  5. Step 5: Solve for x
    x = 1,759,655,310,400/624,386
  6. Step 6: Final answer
    x = 2,818,217.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.