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Finding the Third Proportional to 154,931.63 and 328,466.25

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Solution

The third proportional to 154,931.63 and 328,466.25 is: 696,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,931.63 : 328,466.25 = 328,466.25 : x
  2. Step 2: Convert to fraction form
    154,931.63/328,466.25 = 328,466.25/x
  3. Step 3: Cross multiply
    154,931.63x = 328,466.25 × 328,466.25
  4. Step 4: Simplify right side
    154,931.63x = 107,890,077,389.06
  5. Step 5: Solve for x
    x = 107,890,077,389.06/154,931.63
  6. Step 6: Final answer
    x = 696,372.21

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