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Finding the Third Proportional to 1,400,356 and 2,999,972

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Solution

The third proportional to 1,400,356 and 2,999,972 is: 6,426,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,356 : 2,999,972 = 2,999,972 : x
  2. Step 2: Convert to fraction form
    1,400,356/2,999,972 = 2,999,972/x
  3. Step 3: Cross multiply
    1,400,356x = 2,999,972 × 2,999,972
  4. Step 4: Simplify right side
    1,400,356x = 8,999,832,000,784
  5. Step 5: Solve for x
    x = 8,999,832,000,784/1,400,356
  6. Step 6: Final answer
    x = 6,426,817.18

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