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Finding the Third Proportional to 454,987.13 and 713,680.88

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Solution

The third proportional to 454,987.13 and 713,680.88 is: 1,119,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,987.13 : 713,680.88 = 713,680.88 : x
  2. Step 2: Convert to fraction form
    454,987.13/713,680.88 = 713,680.88/x
  3. Step 3: Cross multiply
    454,987.13x = 713,680.88 × 713,680.88
  4. Step 4: Simplify right side
    454,987.13x = 509,340,391,340.77
  5. Step 5: Solve for x
    x = 509,340,391,340.77/454,987.13
  6. Step 6: Final answer
    x = 1,119,461.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.