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Finding the Third Proportional to 85,465.13 and 187,039.13

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Solution

The third proportional to 85,465.13 and 187,039.13 is: 409,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,465.13 : 187,039.13 = 187,039.13 : x
  2. Step 2: Convert to fraction form
    85,465.13/187,039.13 = 187,039.13/x
  3. Step 3: Cross multiply
    85,465.13x = 187,039.13 × 187,039.13
  4. Step 4: Simplify right side
    85,465.13x = 34,983,634,280.77
  5. Step 5: Solve for x
    x = 34,983,634,280.77/85,465.13
  6. Step 6: Final answer
    x = 409,332.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.