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Finding the Third Proportional to 917,885.25 and 1,290,303

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Solution

The third proportional to 917,885.25 and 1,290,303 is: 1,813,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,885.25 : 1,290,303 = 1,290,303 : x
  2. Step 2: Convert to fraction form
    917,885.25/1,290,303 = 1,290,303/x
  3. Step 3: Cross multiply
    917,885.25x = 1,290,303 × 1,290,303
  4. Step 4: Simplify right side
    917,885.25x = 1,664,881,831,809
  5. Step 5: Solve for x
    x = 1,664,881,831,809/917,885.25
  6. Step 6: Final answer
    x = 1,813,823.49

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.