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Finding the Third Proportional to 1,638,522 and 3,355,776

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Solution

The third proportional to 1,638,522 and 3,355,776 is: 6,872,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,522 : 3,355,776 = 3,355,776 : x
  2. Step 2: Convert to fraction form
    1,638,522/3,355,776 = 3,355,776/x
  3. Step 3: Cross multiply
    1,638,522x = 3,355,776 × 3,355,776
  4. Step 4: Simplify right side
    1,638,522x = 11,261,232,562,176
  5. Step 5: Solve for x
    x = 11,261,232,562,176/1,638,522
  6. Step 6: Final answer
    x = 6,872,799.12

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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.