Home / 287,288,785.13-445,754,112.19

Finding the Third Proportional to 287,288,785.13 and 445,754,112.19

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Solution

The third proportional to 287,288,785.13 and 445,754,112.19 is: 691,627,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,288,785.13 : 445,754,112.19 = 445,754,112.19 : x
  2. Step 2: Convert to fraction form
    287,288,785.13/445,754,112.19 = 445,754,112.19/x
  3. Step 3: Cross multiply
    287,288,785.13x = 445,754,112.19 × 445,754,112.19
  4. Step 4: Simplify right side
    287,288,785.13x = 198,696,728,532,066,336
  5. Step 5: Solve for x
    x = 198,696,728,532,066,336/287,288,785.13
  6. Step 6: Final answer
    x = 691,627,166.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.